3.—(1) Where immediately before the commencement date regulation E15 of the 1987 Regulations (reduction of retirement pensions) applies to any person by virtue of one or more new employments with Scheme employers which continue on that date–
(a)that regulation shall cease to apply to him if after that date there is a period of more than one month during which he is not employed by any of those Scheme employers; and
(b)if after such a period the member enters employment with any Scheme employer, regulations 109 and 110 of the 1998 Regulations (abatement) shall apply instead as respects that employment.
(2) Regulations 109 and 110 of the 1998 Regulations shall apply instead of regulation E15 of the 1987 Regulations to a rejoining pensioner and a rejoining deferred member.