18.—(1) P may revoke an additional pension election at any time before the end of the contributions payment period.
(2) P is taken to revoke an additional pension election if—
(a)P leaves all pensionable service before the end of the contributions payment period; and
(b)P is qualified or re-qualified for retirement benefits in respect of that service.
(3) On the date of revocation—
(a)monthly payments for additional pension under that election cease to be payable; and
(b)the amount of accrued additional pension as at that date is an amount determined by the scheme manager.
(4) A revocation must be by written notice to the scheme manager.
(5) A revocation has effect from the date it is received by the scheme manager (“date of revocation”).