80.—(1) Where an employing authority passes a resolution under regulation 54 it must pay the appropriate sum to the fund before the expiry of the relevant period (as defined in paragraph (7) of that regulation) unless before the end of that period it has agreed as mentioned in paragraph (6)(a) of that regulation.
(2) Where an employing authority passes a resolution under regulation 130 in a case where paragraph (4)(a) of that regulation does not apply, it must pay the appropriate sum to the fund before the expiry of the period of one month beginning with the date on which the resolution is passed.
(3) The appropriate sum for a member is such sum as is shown as appropriate in guidance issued by the Government Actuary.
(4) Any extra charge on the fund resulting from –
(a)a resolution under regulation 14, 54, 55 or 130; or
(b)a member becoming entitled to an ill-health pension calculated under regulation 30 by reference to an enhanced membership period; or
(c)a member becoming entitled to a pension calculated under regulation 28 (redundancy, etc) or regulation 33 (other early leavers, etc),
must be repaid to the fund by the employing authority concerned (but, in the case of resolutions under regulations 54 and 130, only so far as not paid under paragraph (1) or, as the case may be, paragraph (2)).
(5) Any additional payments that are due under paragraph (4) shall be made, if the Committee agrees by –
(a)a single payment of an amount determined by the Committee on the advice of an actuary appointed by it; or
(b)instalments, each of an amount determined by the Committee on the advice of an actuary appointed by it, covering a period not exceeding 5 years, or such longer period as the Committee may allow, the first and subsequent instalments becoming payable as agreed between the Committee and the employing authority.