Va. Code Ann. § 27-23.3

Notwithstanding the provisions of any other law, the governing body shall direct the treasurer to reimburse the general fund of the city or county from the proceeds of any funds to the credit of the fire zone or district not otherwise specifically allocated or obligated to the extent that the city or county has made advances to the fire zone or district from such general fund to assist the zone or district to exercise the powers set forth in § 27-23.1.