b'MISCELLANEOUS BENEFIT PROVISIONS, CONT.15. Public Service Purchase (PSP) ProgramNot applicable to Tier 1Members may purchase service credit for time served in the military or with other public agencies, subject to requirements and limitations established by the City Council.Purchased service must be for a minimum of six months, but no more than four years of full time, uninterrupted service.Purchased service will only count toward increasing the members monthly pension allowance and any survivorship benefits.Purchases must be initiated and finalized prior to entering DROP or retiring, whichever occurs first.16. Return of Contributions with InterestTiers 1 and 2: On termination or death if no other benefits are payable.Tiers 3, 5, and 6: On termination or death if no other benefits are payable (except Basic Death Benefit).Tier 4: Upon death if no other benefits payable (except Basic Death Benefit). No refund upon termination.17. Survivor Benefit Purchase ProgramA retired member may make a one-time, irrevocable election to purchase a survivor benefit for a spouse married in retirement or a domestic partner declared/registered in retirement by taking an actuarial reduction in his/her retirement benefit.18. Opt-In ContributionApplicable to Tiers 2 - 5Members in Tiers 2 - 5 who: (1) enter DROP or retire on or after July 15, 2011 and (2) elected to make the additional 2% opt-in contribution will receive a non-frozen health subsidy benefit in retirement. The additional pension contribution supports the funding of the retiree health benefits and will cease once the member has contributed for 25 years or retires.160 LAFPP ANNUAL REPORT 2024'