1.—(1) An election by a member to pay contributions under regulation C24 shall specify—
(a)the amount of the additional contributions which he wishes to pay (expressed either as a percentage of his remuneration or as a sum payable at the times mentioned in paragraph 4); and
(b)the proportion (if any) of the contributions which he wishes to be used to provide benefits payable in the event of death.
(2) A member who has made an election under regulation C24 may at any time elect—
(a)to vary the amount of his contributions or the proportion of them that he is to continue to pay which are to be used to provide benefits payable on death; or
(b)to discontinue those contributions.
(3) An election by a member under regulation C24 or this paragraph shall be made by notice given in writing to the member’s employing authority.