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Download - Tenaga Nasional Berhad

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<strong>Tenaga</strong> <strong>Nasional</strong> <strong>Berhad</strong> 222 Annual Report 2009Notes to the financial statements (Cont’d.)31 August 20092 SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONT’D.)(ae) Rural electrification and projects under the Malaysia Plan(i)Rural electrification projects are capitalised as property, plant and equipment.The costs of the projects under the Malaysia Plan in the State of Sabah are only capitalised and accounted for as property, plant andequipment upon receipt of formal handover documentation. The corresponding amounts are recorded as Government development grants andsuch grants are credited to the income statement on a straight line basis over the same period as the expected economic life of theprojects.3 CRITICAL ACCOUNTING ESTIMATES AND JUDGEMENTSEstimates and judgements are continually evaluated by the Directors and are based on historical experience and other factors, including expectations offuture events that are believed to be reasonable under the circumstances.(a)Critical judgement in applying the Group’s accounting policiesIn determining and applying accounting policies, judgement is often required in respect of items where the choice of specific policy could materiallyaffect the reported results and financial position of the Group. The accounting policy to classify between investment properties and property, plantand equipment requires subjective judgements, often as a result of the need to make estimates about the effect of matters that are inherentlyuncertain.Investment property is a property held to earn rentals or for capital appreciation or both.Several properties comprise a portion that is held to earn rentals or for capital appreciation and another portion that is held for use in the productionor supply of goods or services or for administrative purposes. If these portions could be sold (or leased out under a finance lease) separately, thenthese portions would be accounted separately by the Group.If the portions could not be sold separately, the property is an investment property only if an insignificant portion is held for use in the productionor supply of goods or services or for administrative purposes. Judgement is made on an individual property basis to determine whether ancillaryservices are so significant that a property does not qualify as an investment property.(b)Critical accounting estimates and assumptionsThe Group makes estimates and assumptions concerning the future. The resulting accounting estimates will, by definition, rarely equate to therelated actual results. To enhance the information content of the estimates, certain key variables that are anticipated to have a material impact onthe Group’s results and financial position are tested for sensitivity to changes in the underlying parameters. The estimates and assumptionsthat have a significant risk of causing a material adjustment to the carrying amounts of assets and liabilities within the next financial year areoutlined below.(i)Impairment of Property, Plant and EquipmentThe Group assesses impairment of assets whenever the events or changes in circumstances indicate that the carrying amount of an assetmay not be recoverable i.e. the carrying amount of the asset is more than the recoverable amount.

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