Ala. Code § 11-40-18.1
Notwithstanding any other laws, in Class 1 municipalities, any benefit payable on a monthly basis to a participant or retiree under the Policemen's Pension and Relief Fund provided by Act No. 502 of the 1923 Session of the Legislature, as amended, the Firemen's Pension and Relief Fund provided by Act No. 307 of the 1943 Session of the Legislature, as amended, the Separate Policemen's Retirement and Relief System provided by Act No. 470 of the 1955 Regular Session of the Legislature, as amended, or the Separate Firemen's Pension and Relief System provided by Act No. 217 of the 1966 Special Session of the Legislature, as amended, shall be in an amount not less than five hundred fifty dollars ($550) per month, and any survivor's or spouse's benefit payable therefrom on a monthly basis shall be in an amount not less than three hundred twenty dollars ($320) per month.
Ala. Code § 11-40-18.1 (1975)