(a)(1) Effective retroactively to October 1, 2000, each retiree of the Jefferson County Department of Health receiving monthly benefits from the City of Birmingham Retirement and Relief System, whose effective date of retirement was after the department elected to become a member in the Employees’ Retirement System and prior to October 1, 2000, shall receive a cost-of-living increase of four percent in his or her gross monthly benefit, but not less than twenty-five dollars ($25) per month.
(2) Beneficiaries of deceased retirees referenced in subdivision (1) shall receive the cost-of-living increase in the amount attained by the retiree. The increase shall not be less than twenty-five dollars ($25) per month.
(b) When future cost-of-living increases are provided to the Jefferson County Department of Health retirees and their beneficiaries who are receiving monthly benefits from the Employees’ Retirement System, the same cost-of-living increases shall be provided to the Jefferson County Department of Health retirees and their beneficiaries who are receiving monthly benefits from the City of Birmingham Retirement and Relief System and who retired after the Jefferson County Department of Health elected to become a member in the Employees’ Retirement System.