The authority is authorized to promulgate such rules and regulations as it may deem advisable to implement the terms of this chapter; provided, however, that for purposes of this chapter the authority shall be an agency subject to the provisions of Chapter 13 of Title 50, the "Georgia Administrative Procedure Act." The authority is authorized to audit, or have audited, the use of moneys from the trust fund or revolving loan fund or the use of properties obtained in whole or in part by the use of such moneys.