Any person may file complaints against any contractor licensed or certified pursuant to this chapter. The Director shall investigate complaints and the Board may take appropriate disciplinary action if warranted. Disciplinary proceedings shall be conducted in accordance with the Administrative Process Act (§ 2.2-4000 et seq.). The Board shall immediately notify the Director and the clerk and building official of each city, county or town in the Commonwealth of its findings in the case of the revocation of a license or certificate, or of the reissuance of a revoked license or certificate.