Where long-term liabilities have been defeased by the placement of security deposits, those liabilities and deposits (and income and charge arising therefrom) are netted off in order to reflect the overall commercial effect of the arrangements. Such netting off has been effected where a right is held by the Group to insist on net settlement of the liability and deposit including in all situations of default and where that right is assured beyond doubt.

(t)
Deferred benefits and gains

In connection with the acquisitions or operating leases of certain aircraft and engines, the Group receives various credits. Such credits are deferred until the aircraft and engines are delivered, at which time they are either applied as a reduction of the cost of acquiring the aircraft and engines, resulting in a reduction of future depreciation, or amortised as a reduction of rental expense for aircraft and engines under operating leases.

(u)
Income tax

Income tax for the year comprises current and movements in deferred tax assets and liabilities. Current tax and movements in deferred tax assets and liabilities are recognised in profit or loss except to the extent that they relate to items recognised directly in equity, in which case they are recognised in equity.
Current tax is the expected tax payable on the taxable income for the year, using tax rates enacted or substantively enacted at the balance sheet date, and any adjustment to tax payable in respect of previous years.
Deferred tax assets and liabilities arise from deductible and taxable temporary differences respectively, being the differences between the carrying amounts of assets and liabilities for financial reporting purposes and their tax bases. Deferred tax assets also arise from unused tax losses and unused tax credits.

Notes to the Financial Statements
(Prepared in accordance with International Financial Reporting Standards) (Expressed in Renminbi)

66 ANNUAL REPORT 2008

Apart from certain limited exceptions, all deferred tax liabilities, and all deferred tax assets to the extent that it is probable that future taxable profits will be available against which the asset can be utilised, are recognised. Future taxable profits that may support the recognition of deferred tax assets arising from deductible temporary differences include those that will arise from the reversal of existing taxable temporary differences, provided those differences relate to the same taxation authority and the same taxable entity, and are expected to reverse either in the same period as the expected reversal of the deductible temporary difference or in periods into which a tax loss arising from the deferred tax asset can be carried back or forward. The same criteria are adopted when determining whether existing taxable temporary differences support the recognition of deferred tax assets arising from unused tax losses and credits, that is, those differences are taken into account if they relate to the same taxation authority and the same taxable entity, and are expected to reverse in a period, or periods, in which the tax loss or credit can be utilised.
The limited exception to the recognition of deferred tax assets and liabilities are those temporary differences arising from goodwill not deductible for tax purposes, the initial recognition of assets or liabilities that affect neither accounting nor taxable profit (provided they are not part of a business combination), and temporary differences relating to investments in subsidiaries to the extent that, in the case of taxable differences, the Group controls the timing of the reversal and it is probable that the differences will not reverse in the foreseeable future, or in the case of deductible differences, unless it is probable that they will reverse in the future.
The amount of deferred tax recognised is measured based on the expected manner of realisation or settlement of the carrying amount of the assets and liabilities, using tax rates enacted or substantively enacted at the balance sheet date. Deferred tax assets and liabilities are not discounted.
　
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