6.—(1) Regulation F2 of the principal regulations shall be amended by inserting after the word “regulations” the words “and paragraph 6 of Part IV of Schedule J”.
(2) Regulation F3 of the principal regulations shall be amended by adding after paragraph (2) the following paragraph—
“(3) Paragraph (1)(a) has effect subject to paragraph 6 of Part IV of Schedule J.”.
(3) Part IV of Schedule J to the principal regulations shall be amended by adding after paragraph 5 the following paragraph—
6.—(1) This paragraph applies in the case of a member who has spent one or more periods in part-time service.
(2) For the purposes of regulations F2 and F3(1)(a) (reckonability of certain service as pensionable), a period of part-time service is to be multiplied by the appropriate factor.
(3) For the purposes of sub-paragraph (2) a period of part-time service is to be taken to have ended, and another such period to have begun, on the occurrence of any change in the appropriate factor.”.