Provides that a state employee may affirmatively elect to enroll in the deferred compensation plan prior to the auto enroll date on day 31 of the state employee's employment. Removes a provision that sets a maximum employer surcharge for the legislators' defined benefit plan, state excise police, gaming agent, gaming control officer, and conservation enforcement officers' retirement plan, public employees' retirement fund, and Indiana state teachers' retirement fund (fund). Requires the board of trustees of the Indiana public retirement system (board) to develop the technological and administrative capabilities sufficient to categorize fund members into separate groups in which: (1) certain members receive a service based thirteenth check; and (2) certain members receive a cost of living adjustment. Requires the board to set the surcharge rates at a level to actuarially prefund: (1) annual indexed thirteenth checks for all current retired members and beneficiaries retired before July 1, 2025; and (2) 1% annual cost of living adjustments to future in-payment members and beneficiaries retired on or after July 1, 2025. Provides that the board shall not reduce the surcharge rates from the prior year. Allows the board to increase the surcharge rates by not more than 0.1% of payroll from the prior year. Requires certain political subdivisions to present to the interim study committee on pension management oversight regarding a delinquent employee retirement plan offered by the political subdivision. Requires, effective July 1, 2025, the trustee of the state police pension trust to maintain two supplemental allowance reserve accounts for the purpose of paying postretirement benefit adjustments. Increases the maximum date that a member or participant of certain retirement funds can participate in the deferred retirement option plan from 36 to 60 months. Requires the member or participant to notify their employer if the member or participant elects to enter or extend the deferred retirement option plan. Provides for a thirteenth check in 2024 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.