34 Tex. Admin. Code § 125.6
A city with two or more participating dates, one of which is less than three years past may elect a composite participating date which, if more than three years past, will qualify all departments to give special prior service credits and antecedent service credits if desired.
Source Note:The provisions of this §125.6 adopted to be effective July 23, 1976, 1 TexReg 1894.