53.—(1) On making any relevant payment to an employee falling within regulation 47 to 49 (procedure in Form P46 cases) after the Inland Revenue have issued a code to the employer for use in respect of the employee, the employer must deduct or repay tax by reference to that code.
(2) For the purposes of paragraph (1) and regulation 66 (deductions working sheets)—
(a)any total payments to date notified to the employer by the Inland Revenue are treated as if they represented relevant payments made by the employer; and
(b)the total net tax deducted before the first payment made in accordance with this regulation is taken to be the sum of—
(i)the total net tax deducted, if any, notified to the employer by the Inland Revenue, and
(ii)any tax which the employer was liable to deduct from the employee’s relevant payments under regulation 47, 48 or 49.
(3) For the purposes of—
(a)item 8 of Table 2 in regulation 36(4) (Form P45), and
(b)regulation 55(4)(f) (retirement statement),
any total payments to date and total net tax deducted which are notified to the employer by the Inland Revenue must be treated as if they were relevant payments made to the employee by, and tax deducted by, the employer.
(4) If the employee’s previous code was used on the cumulative basis, any amount notified to the employer under paragraph (2)(b)(i) must be added to the previous total tax to date for the purposes of regulation 23(8) (cumulative basis: meaning of previous total tax to date).