34 In section 37 of that Act (reduced rates of Class 1 contributions)—
(a)in subsection (1) (earnings relevant for subsections (1A) and (1B) limited by upper earnings limit) for “the current upper earnings limit” substitute “ the applicable limit ”;
(b)after that subsection insert—
“(1ZA) In subsection (1)—
(a)“the applicable limit”—
(i)in relation to a tax week falling in a tax year before the flat rate introduction year, means the upper earnings limit for the week in question;
(ii)in relation to a tax week falling in the flat rate introduction year or any subsequent tax year, means the upper accrual point divided by 52; and
(b)“prescribed”—
(i)in relation to the lower or upper earnings limit, means (in accordance with section 5(4) of the Social Security Contributions and Benefits (Northern Ireland) Act 1992) prescribed under that provision;
(ii)in relation to the amount mentioned in paragraph (a)(ii) above, means (in accordance with section 176) prescribed by regulations under this Act.”.