Amounts and time of payment of application fees, construction financing fees, permanent loan commitment fees, closing fees, issuance fees, and other fees as may be required by the Administration shall be as provided in a fee schedule set forth and revised from time to time by the Administration. The Administration may establish from time to time detailed Program guidelines containing underwriting standards, loan processing requirements, and other requirements or matters relating to the financing of mortgage loans or to the program which do not directly affect the rights of the public or the procedures available to the public. Copies of the fee schedule and guidelines shall be available for examination at the Administration's principal office. The Administration shall make copies available to the public upon request.