Retirement; Oklahoma Pension Legislation Actuarial Analysis Act; definition; Oklahoma Firefighters Pension and Retirement System; computation factor; accrued retirement benefit; disability retirement benefit; monthly retirement annuity; municipal contribution; effective dates; contingent effective dates; emergency.

HB 4231 amends Oklahoma's pension laws to update how retirement benefits are calculated for public employees, particularly affecting firefighters in the Oklahoma Firefighters Pension and Retirement System. The bill modifies computation factors used to determine accrued retirement benefits and disability retirement benefits, adjusts the formula for monthly retirement annuities, and increases municipal contributions to the system. It also clarifies definitions related to "nonfiscal retirement bills" and establishes conditions for benefit increases based on the retirement system's funded ratio. These changes directly impact current and future retirees, as well as local governments contributing to the pension system. The bill focuses on technical adjustments to pension calculations rather than creating new benefits or funding sources.