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National Grid

Annual Report and Accounts 2006/07

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Notes to the Company accounts

6. Provisions for liabilities and charges

  Deferred
taxation
£m
At 31 March 2005
First time adoption of FRS 26 19
At 1 April 2005 19
Credited to equity (14)
At 31 March 2006 5
At 1 April 2006 5
Charged to equity 4
Credited to the profit and loss account (i) (12)
Transferred to debtors (note 3) (ii) 3
At 31 March 2007 -

(i) Included is a deferred tax credit of £13m in respect of prior years (2006: £nil).

(ii) Included is a current deferred tax asset of £1m (2006: £nil).

Factors that may affect future deferred tax charges

The UK rate of corporation tax is expected to decrease from the current rate of 30% to 28% in 2008/2009. We are in the process of evaluating the impact this tax rate will have on our future deferred tax charge.