Allows a participant in the state excise police, gaming agent, gaming control officer, and conservation enforcement officers' retirement plan to elect a joint and survivor option for the payment of the participant's retirement allowance. Provides for a thirteenth check in calendar year 2026 for certain members, participants, or beneficiaries of the: (1) Indiana state teachers' retirement fund; (2) Indiana public employees' retirement fund; (3) state excise police, gaming agent, gaming control officer, and conservation enforcement officers' retirement plan; (4) state police pre-1987 benefit system; and (5) state police 1987 benefit system.