The repeal or amendment of any Section or provisions of this Article by this amendatory Act of 1984 shall not affect or impair any pension, benefits, rights or credits accrued or in effect prior thereto.
40 ILCS 5/4-144
The repeal or amendment of any Section or provisions of this Article by this amendatory Act of 1984 shall not affect or impair any pension, benefits, rights or credits accrued or in effect prior thereto.
40 ILCS 5/4-144