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3. Measurement criteria

The most significant measurement criteria adopted when preparing the consolidated financial statements are described below.

Property, plant and equipment

Property, plant and equipment is recognised at cost and recorded at the purchase, transfer or production cost, including directly allocable ancillary costs needed to make the assets available for use. When a significant period of time is needed to make the asset ready for use, the purchase, transfer or production cost includes the financial expense which theoretically would have been saved during the period needed to make the asset ready for use, if the investment had not been made.

If there are current obligations to dismantle and remove the assets and restore the sites, the book value includes the estimated (discounted) costs to be incurred at the time that the structures are abandoned, recognised as a contra-entry to a specific provision. The accounting treatment for revisions in these cost estimates, the passage of time and the discount rate are indicated in the paragraph “Provisions for risks and charges”.

Property, plant and equipment may not be revalued, even through the application of specific laws.

The costs of incremental improvements, upgrades and transformations to/of property, plant and equipment are posted to assets when it is likely that they will increase the future economic benefits expected. The costs of replacing identifiable components of complex assets are allocated to balance sheet assets and depreciated over their useful life. The remaining book value of the component being replaced is allocated to the income statement. Ordinary maintenance and repair expenses are posted to the income statement in the period when they are incurred.

Property, plant and equipment includes: (i) with regard to natural gas transportation, the value relating to the quantities of natural gas injected to bring natural gas pipelines into service. The valuation is carried out using the weighted average purchase price method. Specifically, the component of this quantity that can no longer be extracted (the “initial line pack”) is depreciated over the useful life of the plant to which it refers. On the contrary, the commercial component, which may be sold on the market or employed for alternative uses (the “operating line pack”), is not depreciated, since it is not, by its nature, subject to depreciation; and (ii) with regard to natural gas storage, the quantity of gas that is reinjected into the storage wells to form cushion gas.

Depreciation of property, plant and equipment

Starting when the asset is available and ready for use, property, plant and equipment is systematically depreciated on a straight-line basis over its useful life, defined as the period of time in which it is expected that the company may use the asset.

The amount to be depreciated is the book value, reduced by the projected net realisable value at the end of the asset’s useful life, if this is significant and can be reasonably determined.

The table below shows the annual depreciation rates used for the year in question, broken down into homogeneous categories, together with the relevant period of application:

 

Annual depreciation rate (%)

Buildings

 

- Buildings

2-2.5 or greater, depending on residual life

Plant and equipment – Transportation

 

- Pipelines

2 or greater, depending on residual life

- Stations

5 or greater, depending on residual life

- Gas reduction/regulation plants

5 or greater, depending on residual life

Plant and equipment – Storage

 

- Pipes

2

- Treatment stations

4 or greater, depending on residual life

- Compression stations

5 or greater, depending on residual life

- Storage wells

1.66 or greater, depending on residual life

Plant and equipment – Regasification

 

- LNG plants

4 or greater, depending on residual life

Other plant and equipment

2.5-12.5

Metering equipment

5 or greater, depending on residual life

Industrial and commercial equipment

10-35

Other assets

10-33

When an item recorded under property, plant and equipment consists of several significant components with different useful lives, a component approach is adopted, whereby each individual component depreciates separately.

Land is not depreciated, even if purchased in conjunction with a building; neither is property, plant and equipment held for sale (see the “Non-current assets held for sale and discontinued operations” section).

Depreciation rates are reviewed each year and are altered if the current estimated useful life of an asset differs from the previous estimate. Any changes to the depreciation plan arising from revision of the useful life of an asset, its residual value or ways of obtaining economic benefit from it are recognised prospectively.

Freely transferable assets are depreciated during the period of the concession or of the useful life of the asset, if lower.

Assets under finance leases

Assets under finance leases, or under agreements which may not take the specific form of a finance lease, but call for the essential transfer of the benefits and risks of ownership, are recorded at the lower of fair value less fees payable by the lessee and the present value of minimum lease payments, including any sum payable to exercise a call option, under property, plant and equipment as a contra-entry to the financial debt to the lessor. The assets are depreciated using the criteria and rates adopted for owned property, plant and equipment. When there is no reasonable certainty that the right of redemption can be exercised, depreciation takes place during the shorter of the term of the lease and the useful life of the asset.

Leases under which the lessee maintains nearly all of the risks and benefits associated with ownership of the assets are classified as operating leases. In this case, the lessee incurs only costs for the period in the amount of the lease expenses set out in the contract, and does not record fixed assets.

Intangible assets

Intangible assets are those assets without identifiable physical form which are controlled by the company and capable of producing future economic benefits, as well as goodwill, when purchased for consideration. The ability to identify these assets rests in the ability to distinguish intangible assets purchased from goodwill. Normally this requirement is satisfied when: (i) the intangible assets are related to a legal or contractual right, or (ii) the asset is separable, i.e. it can be sold, transferred, leased or exchanged independently, or as an integral part of other assets. The company’s control consists of the power to utilise future economic benefits deriving from the asset and the ability to limit access to it by others. Intangible assets are recorded at cost, which is determined using the criteria indicated for property, plant and equipment. They may not be revalued, even through the application of specific laws.

Technical development costs are allocated to the balance sheet assets when: (i) the cost attributable to the intangible asset can be reliably determined; (ii) there is the intent, availability of financial resources and technical capability to make the asset available for use or sale; and (iii) it can be shown that the asset is capable of producing future economic benefits. Alternatively, costs for the acquisition of new knowledge or discoveries, investigations into products or alternative processes, new techniques or models, or the design and construction of prototypes, or incurred for other scientific research or technological developments, which do not meet the conditions for disclosure under balance sheet assets are considered current costs and charged to the income statement for the period in which they are incurred.

Service concession agreements

Intangible assets include service concession agreements between the public and private sectors for the development, financing, management and maintenance of infrastructures under concession in which: (i) the grantor controls or regulates the services provided by the operator through the infrastructure and the related price to be applied; and (ii) the grantor controls any significant remaining interest in the infrastructure at the end of the concession by owning or holding benefits, or in some other way. The provisions relating to the service concession agreements are applicable for Snam in its role as a public service natural gas distributor, i.e. applicable to the agreements under which the operator is committed to providing the public natural gas distribution service at the tariff established by the AEEGSI, holding the right to use the infrastructure, which is controlled by the grantor, for the purposes of providing the public service.

Storage concessions

The value of storage concessions, which consists of the natural gas reserves present in deposits (“cushion gas”), is recorded under “Concessions, licences, trademarks and similar rights” and is not subject to amortisation, since: (i) the volume of said gas is not modified by storage activities; and (ii) the economic value of the gas that can be recovered at the end of the concession, pursuant to the provisions of the Ministerial Decree of 3 November 2005, “Criteria for determining an adequate consideration for the return of assets intended for a concession-holder for natural gas storage” of the Ministry of Productive Activities, is not lower than the value recorded in the financial statements.

Amortisation of intangible assets

Intangible assets with a finite useful life are amortised systematically over their useful life, which is understood to be the period of time in which it is expected that the company may use the asset.

The amount to be depreciated is the book value, reduced by the projected net realisable value at the end of the asset’s useful life, if this is significant and can be reasonably determined.

The table below shows the annual depreciation rates used for the year in question, broken down into homogeneous categories, together with the relevant period of application:

 

Annual depreciation rate (%)

(*)

These refer to the expenses incurred in awarding natural gas distribution concessions, which are amortised based on the term of the service contract (12 years).

Service concession agreements Infrastructure:

- Gas distribution network

2 or greater, depending on residual life

- Gas derivation plants

2.5 or greater, depending on residual life

- Distribution metering equipment

5-7.5 or greater, depending on residual life

Concession expenses (*)

8.3

Other intangible fixed assets

 

- Industrial patent rights and intellectual property rights

20-33

- Other intangible assets

20, or according to the duration of the contract

Goodwill and other intangible assets with an indefinite useful life are not subject to amortisation.

Grants

Capital grants given by public authorities are recognised when there is reasonable certainty that the conditions imposed by the granting government agencies for their allocation will be met, and they are recognised as a reduction to the purchase, transfer or production cost of their related assets. Similarly, capital grants received from private entities are recognised in accordance with the same regulatory provisions.

Operating grants are recognised in the income statement on an accruals basis, consistent with the relative costs incurred.

Impairment of non-financial fixed assets

Impairment of property, plant and equipment and intangible assets with a finite useful life

When events occur leading to the assumption of impairment of property, plant and equipment or intangible assets with a finite useful life, their recoverability is tested by comparing the book value with the related recoverable value, which is the fair value adjusted for disposal costs (see “Measurement at fair value”) or the value in use, whichever is greater.

Value in use is determined by discounting projected cash flows resulting from the use of the asset and, if they are significant and can be reasonably determined, from its sale at the end of its useful life, net of any disposal costs. Cash flows are determined based on reasonable, documentable assumptions representing the best estimate of future economic conditions which will occur during the remaining useful life of the asset, with a greater emphasis on outside information. Discounting is done at a rate reflecting current market conditions for the time value of money and specific risks of the asset not reflected in the estimated cash flows. The valuation is done for individual assets or for the smallest identifiable group of assets which, through ongoing use, generates incoming cash flow that is largely independent of those of other assets or groups of assets (“cash-generating units” or CGUs).

The value of property, plant and equipment classed under regulated assets is determined by taking into consideration: (i) the amount quantified by the Authority based on the rules used to define the tariffs for provision of the services for which they are intended; and (ii) any value that the group expects to recover from their sale or at the end of the concession governing the service for which they are intended. As with the quantification of tariffs, the quantification of the recoverable value of property, plant and equipment classed under regulated assets is done on the basis of the regulatory provisions in force.

With reference in particular to distribution, the definition of the scope of the CGUs takes into account all assets and liabilities that are bound together by indivisibility restrictions within each individual concession.

If the reasons for impairment losses no longer apply, the assets are revalued and the adjustment is posted to the income statement as a revaluation (recovery of value). The recovery of value is applied to the lower of the recoverable value and the book value before any impairment losses previously carried out, less any depreciation that would have been recorded if an impairment loss had not been recorded for the asset.

Impairment of goodwill, intangible assets with an indefinite useful life and intangible assets not yet available for use

The recoverability of the book value of goodwill, intangible assets with an indefinite useful life and intangible assets not yet available for use is tested at least annually, and in any case when events occur leading to an assumption of impairment. Goodwill is tested at the level of the smallest aggregate, on the basis of which the Company’s management directly or indirectly assesses the return on investment, including goodwill. When the book value of the CGU, including the goodwill attributed to it, exceeds the recoverable value, the difference is subject to impairment, which is attributed by priority to the goodwill up to its amount; any surplus in the impairment with respect to the goodwill is attributed pro rata to the book value of the assets which constitute the CGU. Goodwill impairment losses cannot be reversed.

Investments valued using the equity method

Equity investments in joint ventures and associates are valued using the equity method.

When there are no significant effects on the balance sheet, cash flow statement and income statement, associates not included in the scope of consolidation are valued using the equity method.

In applying the equity method, investments are initially recognised at cost and subsequently adjusted to take into account: (i) the participant’s share of the results of operations of the investee after the date of acquisition, and (ii) the share of the other components of comprehensive income of the investee. Dividends paid out by the investee are recognised net of the book value of the equity investment. For the purposes of applying the equity method, the adjustments provided for the consolidation process are taken into account (see also the “Consolidation principles” section).

In the case of assumption of an association (joint control) in successive phases, the cost of the equity investment is measured as the sum of the fair value of the interests previously held and the fair value of the consideration transferred on the date on which the investment is classed as associated (or under joint control). The effect of revaluing the book value of the investments previously held at assumption of association is posted to the income statement, including any components recognised under other components of comprehensive income. When the transferral of equity investments entails loss of joint control or significant influence over the investee company, the following are recognised in the income statement: (i) any capital gains or losses calculated as the difference between the consideration received and the corresponding portion of the booked amount transferred; (ii) the effect of the revaluation of any residual equity investment maintained, to align it with the relative fair value; and (iii) any amounts posted to other components of comprehensive income relating to the investee company that will be taken to the income statement. The value of any equity investment maintained, aligned with the relative fair value at the date of loss of joint control or significant influence, represents the new book value, and therefore the reference value for the successive valuation according to the applicable valuation criteria.

If there is objective evidence of impairment, the recoverability of the amount recognised is tested by comparing the book value with the related recoverable value determined using the criteria indicated in the section “Impairment of non-financial fixed assets”.

When the reasons for the impairment losses entered no longer apply, equity investments are revalued up to the amount of the impairment losses entered with the effect posted to the income statement under “Income (expense) from equity investments”.

The parent company’s share of any losses of the investee company, greater than the investment’s book value, is recognised in a special provision to the extent that the parent company is committed to fulfilling its legal or implied obligations to the subsidiary/associate, or, in any event, to covering its losses.

Inventories

Inventories, including compulsory inventories, are recorded at the lower of purchase or production cost and net realisation value, which is the amount that the company expects to receive from their sale in the normal course of business.

The cost of natural gas inventories is determined using the weighted average cost method.

The sale and purchase of strategic gas do not involve the effective transfer of risks and benefits associated with ownership, and thus do not result in a change in inventories.

Financial instruments

The financial instruments held by Snam are included in the following balance sheet items:

Cash and cash equivalents

Cash and cash equivalents include cash amounts, on demand deposits, and other short-term financial investments with a term of less than three months, which are readily convertible into cash and for which the risk of a change in value is negligible.

They are recorded at their nominal value, which corresponds to the fair value.

Trade and other receivables and other assets

Trade and other receivables and other assets are valued when the comprehensive fair value of the costs of the transaction (e.g. commission, consultancy fees, etc.) are first recognised. The initial book value is then adjusted to account for repayments of principal, any impairment losses and the amortisation of the difference between the repayment amount and the initial book value.

Amortisation is carried out using the effective internal interest rate, which represents the rate that would make the present value of projected cash flows and the initial book value equal at the time of the initial recording (the amortised cost method).

Where there is actual evidence of impairment, the impairment loss is calculated by comparing the book value with the current value of anticipated cash flows discounted at the effective interest rate defined at the time of the initial recognition, or at the time of its updating to reflect the contractually defined repricing. There is objective evidence of impairment when, inter alia, there are significant breaches of contract, major financial difficulties or the risk of counterparty insolvency.

Receivables are shown net of provisions for impairment losses; this provision, which is previously created, may be used if there is an assessed reduction in the asset’s value or due to a surplus. If the reasons for a previous impairment loss cease to be valid, the value of the asset is restored up to the value of applying the amortised cost if the write-down had not been made.

The economic effects of measuring at amortised cost are recorded in the “Financial income (expense)” item.

Financial assets that are disposed of are derecognised in the balance sheet when the contractual rights connected to obtaining the cash flows associated with the financial instrument are realised, expire or are transferred to third parties.

Financial liabilities

Financial liabilities, including financial debt, trade payables, other payables and other liabilities, are initially recorded at fair value less any transaction-related costs; they are subsequently recognised at amortised cost using the effective interest rate for discounting, as demonstrated in “Trade and other receivables and other assets” above.

Financial liabilities are derecognised upon extinguishment or upon fulfilment, cancellation or maturity of the contractual obligation.

Derivative financial instruments

Derivatives are assets and liabilities recognised at fair value using the criteria set out under “Fair-value measurement” below.

Derivatives are classified as hedging instruments when the relationship between the derivative and the hedged item is formally documented and the effectiveness of the hedge, verified periodically, is high.

When hedging derivatives hedge the risk of changes in the fair value of the hedged instruments (“fair value hedge”; e.g. hedge of the risk of fluctuations in the fair value of fixed-rate assets/liabilities), the derivatives are recognised at fair value with attribution of the effects on the income statement; by the same token, the hedged instruments are adjusted to reflect in the income statement the changes in fair value associated with the hedged risk, regardless of the provision of a different valuation criterion generally applicable to the instrument type.

When derivatives hedge the risk of changes in cash flows from the hedged instruments (“cash flow hedge”; e.g. hedge of changes in cash flows from assets/liabilities due to fluctuations in interest rates or exchange rates), the changes in the fair value of the effective derivatives are initially recognised in the shareholders’ equity reserve for other components of comprehensive income and subsequently reported in the income statement in the same way as the economic effects produced by the hedged transaction.

The ineffective portion of the hedge is recorded under “(Expense) income from derivatives” in the income statement.

Changes in the fair value of derivatives which do not satisfy the requirements to be classed as hedging instruments are recognised in the income statement. Specifically, changes in the fair value of non-hedging interest rate and currency derivatives are recognised in the income statement item “(Expense) income from derivatives”.

Fair-value measurements

The fair value is the amount that may be received for the sale of an asset or that may be paid for the transfer of a liability in a regular transaction between market operators as at the valuation date (i.e. exit price).

The fair value of an asset or liability is determined by adopting the valuations that market operators would use to determine the price of the asset or liability. A fair value measurement also assumes that the asset or liability would be traded on the main market or, failing that, on the most advantageous market to which the Company has access.

The fair value of a non-financial asset is determined by considering the capacity of market operators to generate economic benefits by putting the asset to its maximum and best use or by selling it to another market participant capable of using it in such a way as to maximise its value. The maximum and best use of an asset is determined from the perspective of market operators, also hypothesising that the company intends to put it to a different use; the current use by the company of a non-financial asset is assumed to be the maximum and best use of this asset, unless the market or other factors suggest that a different use by market operators would maximise its value.

The fair-value measurement of a financial or non-financial liability, or of an equity instrument, takes into account the quoted price for the transfer of an identical or similar liability or equity instrument; if this quoted price is not available, the valuation of a corresponding asset held by a market operator as at the valuation date is taken into account. The determination of the fair value of a liability takes into account the risk that the Company may not be able to honour its obligations (“non-performance risk”).

When determining fair value, a hierarchy is set out consisting of criteria based on the origin, type and quality of the information used in the calculation. This classification aims to establish a hierarchy in terms of the reliability of the fair value, giving precedence to the use of parameters that can be observed on the market and that reflect the assumptions that market participants would use when valuing the asset/liability. The fair value hierarchy includes the following levels:

  • Level 1: inputs represented by (unmodified) quoted prices on active markets for assets or liabilities identical to those that can be accessed as at the valuation date;
  • Level 2: inputs, other than the quoted prices included in Level 1, that can be directly or indirectly observed for the assets or liabilities to be valued;
  • Level 3: inputs that cannot be observed for the asset or liability.

In the absence of available market quotations, the fair value is determined by using valuation techniques suitable for each individual case that maximise the use of significant observable inputs, whilst minimising the use of non-observable inputs.

Non-current assets held for sale and discontinued operations

Non-current assets and current and non-current assets of disposal groups are classified as held for sale if the relative book value will be recovered mainly by their sale rather than through their continued use. This condition is regarded as fulfilled when the sale is highly probable and the asset or discontinued operations are available for immediate sale in their current condition.

Non-current assets held for sale, current and non-current assets related to disposal groups and directly related liabilities are recognised in the balance sheet separately from the Company’s other assets and liabilities.

Non-current assets held for sale and non-current assets in disposal groups are not amortised or depreciated, and are measured at the lower of book value and the related fair value, less any sales costs (see “Fair-value measurements” above). The classification as “held for sale” of equity investments valued using the equity method implies suspended application of this measurement criterion. Therefore, in this case, the book value is equal to the value resulting from the application of the equity method at the date of reclassification.

Any negative difference between the book value and the fair value less selling costs is posted to the income statement as an impairment loss; any subsequent recoveries in value are recognised up to the amount of the previously recognised impairment losses, including those recognised prior to the asset being classified as held for sale.

Non-current assets and current and non-current assets (and any related liabilities) of disposal groups, classified as held for sale, constitute discontinued operations if, alternatively: (i) they represent a significant independent business unit or a significant geographical area of business; (ii) they are part of a programme to dispose of a significant independent business unit or a significant geographical area of business; or (iii) they pertain to a subsidiary acquired exclusively for the purpose of resale. The results of discontinued operations, as well as any capital gains/losses realised on the disposal, are disclosed separately in the income statement as a separate item, net of related tax effects, including for the periods under comparison.

In the case of a programme for the sale of a subsidiary that results in loss of control, all assets and liabilities of that subsidiary are classified as held for sale, regardless of whether an investment is maintained following the sale.

Provisions for risks and charges

Provisions for risks and charges concern costs and charges of a certain nature which are certain or likely to be incurred, but for which the amount or date of occurrence cannot be determined at the end of the year.

Provisions are recognised when: (i) the existence of a current legal or implied obligation arising from a past event is probable; (ii) it is probable that the fulfilment of the obligation will involve a cost; and (iii) the amount of the obligation can be reliably determined. Provisions are recorded at the value representing the best estimate of the amount that the Company would reasonably pay to fulfil the obligation or to transfer it to third parties at the end of the reporting period. Provisions related to contracts with valuable consideration are recorded at the lower of the cost necessary to fulfil the obligation, less the expected economic benefits arising from the contract, and the cost of terminating the contract.

When the financial impact of time is significant, and the payment dates of the obligations can be reliably estimated, the provision is calculated by discounting the anticipated cash flows in consideration of the risks associated with the obligation at the Company’s average debt rate; the increase in the provision due to the passing of time is posted to the income statement under “Financial income (expense)”.

When the liability is related to items of property, plant and equipment (e.g. site dismantlement and restoration), the provision is recognised as a counter-entry to the related asset, and posting to the income statement is accomplished through amortisation. The costs that the Company expects to incur to initiate restructuring programmes are recorded in the period in which the programme is formally defined, and the parties concerned have a valid expectation that the restructuring will take place.

Provisions are periodically updated to reflect changes in cost estimates, selling periods and the discount rate; revisions in provision estimates are allocated to the same item of the income statement where the provision was previously reported or, when the liability is related to property, plant and equipment (e.g. site dismantling and restoration), as a contra-entry to the related asset, up to the book value; any surplus is posted to the income statement.

The notes to the financial statements describe contingent liabilities represented by: (i) possible (but not probable) obligations resulting from past events, the existence of which will be confirmed only if one or more future uncertain events occur which are partially or fully outside the Company’s control; and (ii) current obligations resulting from past events, the amount of which cannot be reliably estimated, or the fulfilment of which is not likely to involve costs.

Provisions for employee benefits

Post-employment benefits

Post-employment benefits are defined according to programmes, including non-formalised programmes, which, depending on their characteristics, are classed as “defined-benefit” or “defined-contribution” plans.

  • Defined-benefit plans

    The liability associated with defined-benefit plans is determined by estimating the present value of the future benefits accrued by the employees during the current year and in previous years, and by calculating the fair value of any assets servicing the plan. The present value of the obligations is determined based on actuarial assumptions and is recognised on an accruals basis consistent with the employment period necessary to obtain the benefits.

    Actuarial gains and losses relating to defined-benefit plans arising from changes in actuarial assumptions or experience adjustments are recognised in other comprehensive income in the period in which they occur, and are not subsequently recognised in the income statement. When a plan is changed, reduced or extinguished, the relative effects are recognised in the income statement.

    Net financial expense represents the change that the net liability undergoes during the year due to the passing of time. Net interest is determined by applying the discount rate to the liabilities, net of any assets servicing the plan. The net financial expense of defined-benefit plans is recognised in “Finance expense (income)”.

  • Defined-contribution plans

    In defined-contribution plans, the Company’s obligation is calculated, limited to the payment of state contributions or to equity or a legally separate entity (fund), based on contributions due.

    The costs associated with defined-benefit contributions are recognised in the income statement as and when they are incurred.

Other long-term plans

Obligations relating to other long-term benefits are calculated using actuarial assumptions; the effects arising from the amendments to the actuarial assumptions or the characteristics of the benefits are recognised entirely in the income statement.

Treasury shares

Treasury shares are recognised at cost and entered as a reduction of shareholders’ equity. The economic effects arising from any subsequent sales are recognised in shareholders’ equity.

Distribution of dividends

The distribution of dividends to the Company’s shareholders entails the recording of a payable in the financial statements for the period in which distribution was approved by the Company’s shareholders or, in the case of interim dividends, by the Board of Directors.

Foreign currency transactions

The criteria adopted by Snam to convert transactions in currencies other than the functional currency (the Euro) are summarised below:

  • revenue and costs relating to transactions in currencies other than the functional currency are recognised at the exchange rate in effect on the day when the transaction was carried out;
  • monetary assets and liabilities in currencies other than the functional currency are converted into Euro by applying the exchange rate in effect on the reporting date, allocating the effect to the income statement.
  • non-monetary assets and liabilities in currencies other than the functional currency which are valued at cost are recognised at the initially recorded exchange rate; when the measurement is made at fair value or recoverable or realisable value, the exchange rate used is the one in effect on the valuation date.

Revenue

Revenue from sales and the provision of services is recognised upon the effective transfer of the risks and benefits typically relating to ownership or on the fulfilment of the service when it is likely that the financial benefits deriving from the transaction will be realised by the vendor or the provider of the service.

Revenue is recognised at the fair value of the payment received or to be received.

As regards the activities carried out by the Snam Group, revenue is recognised when the service is provided. The largest share of core revenue relates to regulated revenue, which is governed by the regulatory framework established by the AEEGSI. Therefore, the economic terms and conditions of services provided are defined in accordance with regulations rather than negotiations. In the transportation segment6, the difference between the revenue recognised by the regulator (the “revenue cap”) and the revenue actually accrued is recognised with a contra-entry in the balance sheet under “Other assets”, if positive, or “Other liabilities”, if negative. This difference will be reversed in the income statement in future years by way of tariff changes. In the regasification, storage and distribution segments, however, any difference between the revenue recognised by the regulator and the accrued revenue is recognised in the balance sheet item “Trade and other receivables”, if positive, and in the item “Trade and other payables”, if negative, inasmuch as it will be subject to cash settlement with the Energy and Environmental Services Fund (CSEA)7.

Allocations of revenue relating to services partially rendered are recognised by the fee accrued, as long as it is possible to reliably determine the stage of completion and there are no significant uncertainties over the amount and the existence of the revenue and the relative costs; otherwise they are recognised within the limits of the actual recoverable costs.

Items of property, plant and equipment not used in concession services, transferred from customers (or realised with the cash transferred from customers) and depending on their connection to a network for the provision of supply, are recognised at fair value as a contra-entry to revenue in the income statement. When the agreement stipulates the provision of multiple services (e.g. connection and supply of goods), the service for which the asset was transferred from the customer is checked and, accordingly, the disclosure of the revenue is recognised on connection or for the shorter of the term of the supply and the useful life of the asset.

Revenue is recorded net of returns, discounts, allowances and bonuses, as well as directly related taxes.

Revenue is reported net of items involving tariff components, in addition to the tariff, applied to cover gas system expenses of a general nature. Amounts received from Snam are paid in full to the Energy and Environmental Services Fund. Gross and net presentation of revenue is described in more detail in Note 25 – “Revenue” of the Notes to the consolidated financial statements.

Since they do not represent sales transactions, exchanges between goods or services of a similar nature and value are not recognised in revenue and costs.

Dividends received

Dividends are recognised at the date of the resolution passed by the Shareholders’ Meeting, unless it is not reasonably certain that the shares will be sold before the ex-dividend date.

Costs

Costs are recognised in the period when they relate to goods and services sold or consumed during the same period or when it is not possible to identify their future use.

Costs relating to emission allowances, calculated on the basis of market prices, are only recognised for the portion of carbon dioxide emissions in excess of the allocated allowances. Earnings relating to emissions allowances are recognised at the point of realising the earnings by transfer.

The monetary receivables assigned in place of the free assignment of emissions allowances are recognised as a contra-entry under the income statement item “Other revenue and income”.

Fees relating to operating leases are charged to the income statement for the duration of the contract.

Costs sustained for share capital increases are recorded as a reduction of shareholders’ equity, net of taxes.

Income taxes

Current income taxes are calculated by estimating the taxable income. Receivables and payables for current income taxes are recognised based on the amount which is expected to be paid/ recovered to/ from the tax authorities under the prevailing tax regulations and rates or those essentially approved at the reporting date.

Regarding corporation tax (IRES), Snam has exercised the option to join the national tax consolidation scheme, to which all the consolidated8 companies have officially signed up. The projected payable is recognised under “Current income tax liabilities”.

The regulations governing Snam Group companies’ participation in the national tax consolidation scheme stipulates that:

  • subsidiaries with positive taxable income pay the amount due to Snam. The taxable income of the subsidiary, used to determine the tax, is adjusted to account for the recovery of negative components that would have been non-deductible without the consolidation scheme (e.g. interest expense), the so-called ACE (help for economic growth) effect and any negative taxable income relating to the subsidiary’s equity investments in consolidated companies;
  • subsidiaries with negative taxable income, if and insofar as they have prospective profitability which, without the national tax consolidation scheme, would have enabled them to recognise deferred tax assets related to the negative taxable income on the separate balance sheet, receive from their shareholders – in the event that these are companies with a positive taxable income or a negative taxable income with prospective profitability – or from Snam in other cases, compensation amounting to the lower of the tax saving realised by the Group and the aforementioned deferred tax assets.

Regional production tax (IRAP) is recognised under the item “Current income tax liabilities”/“Current income tax assets”.

Deferred and prepaid income taxes are calculated on the timing differences between the values of the assets and liabilities entered in the balance sheet and the corresponding values recognised for tax purposes, based on the prevailing tax regulations and rates or those essentially approved for future years. Prepaid tax assets are recognised when their recovery is considered probable; specifically, the recoverability of prepaid tax assets is considered probable when taxable income is expected to be available in the period in which the temporary difference is cancelled, allowing the activation of the tax deduction. Similarly, unused tax receivables and prepaid taxes on tax losses are recognised up to the limit of recoverability.

Prepaid tax assets and deferred tax liabilities are classified under non-current assets and liabilities and are offset at individual company level if they refer to taxes which can be offset. The balance of the offsetting, if it results in an asset, is recognised under the item “Prepaid tax assets”; if it results in a liability, it is recognised under the item “Deferred tax liabilities”. When the results of transactions are recognised directly in equity, prepaid and deferred current taxes are also posted to equity.

Income tax assets with elements of uncertainty are recognised when they are regarded as likely to be obtained.

Information by operating segment

Disclosure on business segments has been prepared pursuant to IFRS 8 – “Operating Segments”: consequently, the identification of the operating segments and the information presented are defined on the basis of the internal reporting used by the Company’s management to allocate resources to the different segments and to analyse the respective performances.

An operating segment is defined by IFRS 8 as a component of an entity: (i) that engages in business activities from which it may earn revenue and incur expenses (including revenue and expenses relating to transactions with other components of the same entity); (ii) for which the operating results are regularly reviewed by the entity’s most senior decision-makers for the purpose of making decisions about resources to be allocated to the segment and assessing its performance; and (iii) for which separate financial information is available.

Specifically, the declared operating segments are as follows: (i) natural gas transportation (the “transportation segment”); (ii) liquefied natural gas regasification (the “regasification segment”); (iii) natural gas storage (the “storage segment”); and (iv) natural gas distribution (the “distribution segment”). They relate to activities carried out predominantly by Snam Rete Gas, GNL Italia, Stogit and Italgas, respectively.

6 With regard to the capacity portion of revenue, penalties for exceeding committed capacity and balancing fees.

7 Article 1, paragraph 670 of Law 208 of 28 December 2015 (2016 Financial Stability Law) provides for the transformation of the Electricity Equalisation Fund (CCSE) into a state-controlled company called the Energy and Environmental Services Fund (CSEA) as of 1 January 2016. The transformation of the CCSE into a state-controlled company and the change of name has not altered in any way, or caused any discontinuity in the functional relations of, the CSEA (formerly the CCSE) with regulated entities and suppliers.

8 With the exception of AES Torino (merged with Italgas as of 1 January 2016) and Acam Gas.

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