Va. Code § 51.1-124.8: Persons affected by changes in retirement benefits

Unless otherwise specifically stated, legislation which effects a change in the amount of a retirement benefit other than a post-retirement supplement shall be construed to effect only the benefits of those persons who qualify for a retirement allowance on or after the effective date of the legislation.1952, c. 157, § 51-111.16; 1960, c. 604; 1977, c. 620; 1978, c. 841; 1980, cc. 637, 638, 646; 1982, cc. 467, 478; 1990, c. 832, § 51.1-106; 1994, cc. 4, 85.