Section 681DF | Adjustments where sum obtained before payment made
From legislation.gov.uk
(1)This section applies if a capital sum is obtained as mentioned in section 681DC and later a payment is made as mentioned in section 681DB.
(2)Adjustments must be made if they are needed to give effect to a charge to income tax under section 681DD in respect of the capital sum.
(3)An adjustment may be made within the period ending with the fifth anniversary of the 31 January following the tax year in which the payment is made.
(4)Subsection (3) applies despite any time limit specified in the Income Tax Acts.