(a) Any member who terminates covered employment and is not eligible to receive disability benefits under this article is, by written request filed with the board, entitled to receive from the fund the member's accumulated contributions. Except as provided in subsection (b) of this section, on withdrawal, the member shall forfeit his or her accrued benefit and cease to be a member.

(b)(1) Any member who ceases employment in covered employment and active participation in this plan and who thereafter becomes reemployed in covered employment may not receive any credited service for any prior accumulated contributions withdrawn from the plan unless following his or her return to covered employment and active participation in this plan, the member redeposits in the fund the amount of the accumulated contributions withdrawn from previous covered employment, together with interest on the accumulated contributions at the rate determined by the board from the date of withdrawal to the date of redeposit. On repayment he or she shall receive the same credit on account of his or her former covered employment as if no refund had been made.

(2) The repayment authorized by this subsection shall be made in a lump sum within sixty months of the police officer's or firefighter's reemployment in covered employment.

(c) Every member who completes sixty months of regular contributory service may, on cessation of covered employment, either withdraw his or her accumulated contributions in accordance with this section or choose not to withdraw his or her accumulated contribution and receive retirement income payments, if eligible, on attaining normal retirement age.

(d) Notwithstanding any other provision of this article, forfeitures under the plan may not be applied to increase the benefits any member would otherwise receive under the plan.