Tax is recognised in the profit and loss account, except that a charge attributable to an item of income and expense recognised as other comprehensive income or to an item recognised directly in equity, is also recognised in other comprehensive income or directly in equity respectively.
Current tax is the amount of income tax payable in respect of taxable profits for the year or prior years and is calculated on the basis of tax rates and laws that have been enacted or substantively enacted by the reporting date in the countries where the company operates and generates income.
A deferred tax asset or liability is recognised for tax recoverable or payable in future periods in respect of transactions and events recognised in the financial statements of current or prior periods.
Deferred tax arises from timing differences between taxable profits for the period and those shown in the financial statements. Deferred tax is recognised on all timing differences at the reporting date. Unrelieved tax losses and other deferred tax assets are only recognised to the extent that it is probable that they will be recovered against the reversal of deferred tax liabilities or other future taxable profits. Deferred tax is measured using the tax rates and laws that have been enacted or substantively enacted by the reporting date and that are expected to apply to the reversal of the timing differences.