(1) Upon completion of employment, a previously retired member who is
reinstated with the same benefit amount that the retired member was receiving
at the time of retirement, shall also have his/her retirement effective date
reinstated to the original retirement effective date for the purpose of
determining eligibility for the guaranteed annual benefit adjustment (GABA) .
(2) If upon termination of employment the
previously retired member's retirement benefits are recalculated, his/her
retirement effective date, for the purpose of determining eligibility for GABA,
will be the most recent date of retirement.