Except as provided in section
1079
(e) of this title, no contract of insurance under this part shall apply to a consolidation loan unless such loan is made under an agreement pursuant to this section and is covered by a certificate issued in accordance with subsection (b)(2) of this section. Loans covered by such a certificate that is issued by a guaranty agency shall be considered to be insured loans for the purposes of reimbursements under section
1078
(c) of this title, but no payment shall be made with respect to such loans under section
1078
(f) of this title to any such agency.