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Retrieving Data

Note 11

For the Year Ended 31 March 2011

INCOME TAX EXPENSE
GROUP PARENT
2011 2010 2011 2010
Note $000 $000 $000 $000
Profit before income tax 157,775 166,540 162,346 155,988
Tax on profit @ 30% 47,333 49,962 48,704 46,796
Tax effect of non-assessable revenue (4,309) (1,833) 648 2,566
Income tax over provided in prior year (3,599) (1,002) (1,031) (1,006)
Removal of tax depreciation on buildings 11,079 - 9,691 -
Change in corporate income tax rate (5,098) - (2,799) -
45,406 47,127 55,213 48,356
Represented by:
Current tax 32,758 35,094 44,431 43,002
Deferred tax 28 12,648 12,033 10,782 5,354
45,406 47,127 55,213 48,356
       

The 30% tax rate used above is the corporate tax rate payable by New Zealand corporate entities on taxable profit under New Zealand tax law.

The 2010 Budget contained two provisions which have had a material effect on the Group's 2011 tax expense:

A decrease in the corporate income tax rate from 30 per cent to 28 per cent, effective from the income tax year ending 31 March 2012. As a result of this change, deferred tax has been restated to 28 per cent, as deferred tax is required to be recorded at the tax rate that will apply when the future tax liability is expected to crystallise. See note 14 for impact on revaluation reserve.

The removal of tax depreciation on buildings with estimated useful lives of 50 years or more. TrustPower will no longer be able to claim tax depreciation on buildings from its income tax year ending 31 March 2012. This has resulted in an increased deferred tax liability in respect of buildings completed before May 2010.