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Notes to the Group financial statements

19 Deferred tax

	2009 £m	2008 £m
Deferred tax liability	(546)	(554)
Deferred tax asset	74	130
Net deferred tax liability	(472)	(424)

IAS 12 Income Taxes permits the offsetting of balances within the same tax jurisdiction. All of the deferred tax assets were available for offset against deferred tax liabilities.

The movements in deferred tax assets / (liabilities) during the period are shown below.

	Property, plant and equipment £m	Pensions £m	Share-based payments £m	Other short term temporary differences £m	Total £m
Current year
At 3 February 2008	(554)	19	5	106	(424)
Credited / (charged) to income statement	8	(34)	1	(35)	(60)
Credited / (charged) directly to equity	–	29	–	(17)	12
At 1 February 2009	(546)	14	6	54	(472)
Prior year
At 4 February 2007	(629)	59	6	86	(478)
Credited / (charged) to income statement	75	(50)	1	20	46
Credited / (charged) directly to equity	–	10	(2)	–	8
At 3 February 2008	(554)	19	5	106	(424)

In 2008, other short term temporary differences included £31m of unused tax losses.

The deferred income tax credited / (charged) through the SoRIE during the period was as follows:

	2009 £m	2008 £m
Actuarial gains	29	10
Share options	–	(2)
Short term temporary differences	(17)	–