Taxation of Chargeable Gains Act 1992

2 Persons and gains chargeable to capital gains tax, and allowable losses

(1) Subject to any exceptions provided by this Act, and without prejudice to sections 10 and 276, a person shall be chargeable to capital gains tax in respect of chargeable gains accruing to him in a year of assessment during any part of which he is resident in the United Kingdom, or during which he is ordinarily resident in the United Kingdom.

(2) Capital gains tax shall be charged on the total amount of chargeable gains accruing to the person chargeable in the year of assessment, after deducting—

(a) any allowable losses accruing to that person in that year of assessment, and

(b) so far as they have not been allowed as a deduction from chargeable gains accruing in any previous year of assessment, any allowable losses accruing to that person in any previous year of assessment (not earlier than the year 1965-66).

(3) Except as provided by section 62, an allowable loss accruing in a year of assessment shall not be allowable as a deduction from chargeable gains accruing in any earlier year of assessment, and relief shall not be given under this Act more than once in respect of any loss or part of a loss, and shall not be given under this Act if and so far as relief has been or may be given in respect of it under the Income Tax Acts.