2.—(1) Where the circumstances mentioned in any of paragraphs 3 to 5 apply, then if—
(a)the member or former member so elects, or
(b)in the event of his death, the appropriate administering authority so determine,
for the purposes of regulation D1 the relevant period is the period mentioned in that paragraph.
(2) An election under sub-paragraph (1) shall be made by a notice in writing given by the member or former member to the appropriate administering authority not later than one month after he is notified under regulation J4 of his entitlement to a benefit.
(3) Where a person dies while still in local government employment or without having made an election under sub-paragraph (1), the appropriate administering authority may give a determination in respect of any matter as to which an election under sub-paragraph (1) may have been made by him.