20504. Notwithstanding Section 20055, a contracting agency, which is a reciprocal system pursuant to Section 20351, may amend its contract to remove an exclusion of groups of employees of the reciprocal system who elect to become members of this system prospectively only. The amendment shall not create liability for prior service.(Added by Stats. 1995, Ch. 379, Sec. 2. Effective January 1, 1996.)
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