Ala. Code § 16-25D-9
Nothing in this chapter shall be construed to define or otherwise grant any right or privilege to periodic bonus checks or other pension benefits to any person other than those periodic bonus checks, rights, and privileges previously or already granted to employees and retired employees and their beneficiaries by the Teachers' Retirement System pension plan. The rights and privileges, if any, shall be governed by the terms of the pension plan, if any. This chapter is not intended to assure or deny any existing or future employee or retired employee, or any of their beneficiaries or any other person of any right of employment or entitlement to any periodic bonus check or to otherwise restrict the ability of the state to modify or eliminate any existing or future increase benefit.
Ala. Code § 16-25D-9 (1975)