Section 537 | Top slicing relieved liability: two or more chargeable events

To calculate an individual's relieved liability for the purposes of section 535(1) for a tax year for which the individual is liable for tax on gains from two or more chargeable events—Step 1Calculate the total annual equivalent by adding together the annual equivalents for each of the chargeable events, found as specified in step 1 in section 536(1).Step 2Find the total relieved liability on the total annual equivalent by—Step 3Multiply the total relieved liability on the total annual equivalent by the total gains charged to tax under this Chapter for the tax year in respect of all the events.Step 4Divide the result of step 3 by the total annual equivalent.

(a)calculating the individual's liability to income tax (if any) on the total annual equivalent, on the basis that—

(i) the total gains from the chargeable events are limited to the amount of the total annual equivalent, ...

(ii) the highest part assumptions apply, and

(iii) in determining the amount of the individual’s personal allowance under section 35 of ITA 2007 (but not the amount of any other relief or allowance), it is assumed that the total gains from the chargeable events are equal to the amount of the total annual equivalent, and

(b)subtracting the amount of income tax at the savings basic rate on the total annual equivalent which the individual is treated as having paid under section 530(1).