9.—(1) An additional pension election by a member (P) must be made by written notice to the Department stating whether additional pension contributions are to be paid—
(a)as a lump sum, or
(b)by monthly payments.
(2) If monthly payments are to be made, the notice must state the number of monthly payments, which—
(a)must not be more than 240; and
(b)must end before P reaches normal pension age under this scheme;
(3) If P is in pensionable service in relation to more than one employment, the notice must specify which employer is to deduct the contributions.
(4) The notice must be accompanied by a declaration by P that P is in normal health.
(5) The Department may ask P or P's employer to provide further information.