Va. Code § 15.2-2319
Any applicable locality may, by ordinance pursuant to the procedures and requirements of this article, assess and impose impact fees on new development to pay all or a part of the cost of reasonable road improvements that benefit the new development.
Prior to the adoption of the ordinance, a locality shall establish an impact fee advisory committee. The committee shall be composed of not less than five nor more than ten members appointed by the governing body of the locality and at least forty percent of the membership shall be representatives from the development, building or real estate industries. The planning commission or other existing committee that meets the membership requirements may serve as the impact fee advisory committee. The committee shall serve in an advisory capacity to assist and advise the governing body of the locality with regard to the ordinance. No action of the committee shall be considered a necessary prerequisite for any action taken by the locality in regard to the adoption of an ordinance.
Va. Code § 15.2-2319