s 35 Personal allowance
(1) An individual who makes a claim is entitled to a personal allowance of £12,570 for a tax year if the individual meets the requirements of section 56 (residence etc ). (2) For an individual whose adjusted net income exceeds £100,000, the allowance under subsection (1) is reduced by one-half of the excess. (3) If the amount of any allowance that remains after the operation of subsection (2) would otherwise not be a multiple of £1, it is to be rounded up to the nearest amount which is a multiple of £1. (4) For the meaning of “adjusted net income” see section 58.