20(1)Amend section 806 of the Taxes Act 1988 as follows.
(2)For subsection (1) substitute—
“(1)Subject to subsection (2) below and section 804(7), any claim for an allowance under any arrangements by way of credit for foreign tax in respect of any income or chargeable gain—
(a)shall, in the case of any income or chargeable gain which falls to be charged to income tax for a year of assessment, be made on or before—
(i)the fifth anniversary of the 31st January next following that year of assessment, or
(ii)if later, the 31st January next following the year of assessment in which the foreign tax is paid;
(b)shall, in the case of any income or chargeable gain which falls to be charged to corporation tax for an accounting period, be made not more than—
(i)six years after the end of that accounting period, or
(ii)if later, one year after the end of the accounting period in which the foreign tax is paid.”
(3)This paragraph has effect in relation to claims for credit made on or after 21st March 2000.