Ala. Code § 36-27-139

Commencing October 1, 1996, any pensioner or annuitant who retired from a city, town, county, or public or quasi-public organization of the state before the city, town, county, or public or quasi-public organization of the state became a member of the Employees’ Retirement System and is receiving a monthly benefit not administered by the Employees’ Retirement System shall receive a fifty dollar ($50) per month increase provided the city, town, county, or public or quasi-public organization of the state elects to fund the increase provided the pensioner retired prior to October 1, 1996.