Any act of the General Assembly with a population classification applicable to any county, city, town, or subdivision of the Commonwealth or any combination thereof shall continue to apply to any such body notwithstanding any subsequent change in population and shall apply to any county, city, town, or political subdivision of the Commonwealth or any combination thereof subsequently falling within such population classification. The provisions of this section shall not apply to, or limit, the distribution of any state funds, grants-in-aid, or other allocation from the state treasury, to any county, city, town, or other political subdivision of the Commonwealth.
Va. Code § 1-236