40.—(1) An employee who has Parts 2 and 3 of Form P45 must give them to the new employer on commencing a new employment.
(2) If an employee receives Parts 2 and 3 of Form P45 after commencing a new employment, the employee must immediately give them to the new employer.
(3) But paragraph (4) applies if an employee objects to the disclosure of the total payments to date to the new employer.
(4) The employee may, instead of complying with paragraph (1) or (2), send Parts 2 and 3 of Form P45 to the Inland Revenue before commencing the new employment or as soon as the employee receives Form P45 (as the case may be).
(5) The Inland Revenue—
(a)must then issue a code in respect of the employee to the new employer, and
(b)may direct that the non-cumulative basis is to apply to all relevant payments which the new employer makes to the employee.