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.
Persons affected by changes in retirement benefits
Va. Code Ann. § 51.1-124.8, under Chapter 1. Virginia Retirement System..
Va. Code Ann. § 51.1-124.8