; (B) the minimum guarantee fee or insurance premium imposed by the Government will be no less than the level sufficient to cover all of the estimated costs to the Government of the expected default claims, plus one percent; and (C) loan guarantee fees imposed by the Government will be reviewed every six months to ensure that the fees imposed on new loan guarantees are at a level sufficient to satisfy subparagraph (B) based on the most recent estimates of such costs. (9) The provisions of any loan guarantee under this section shall state that the guarantee is conclusive evidence that— (A) the guarantee has been properly obtained; (B) the underlying loan qualified for the guarantee; and (C) except in the case of fraud or material misrepresentation by the holder of the loan, the guarantee will be presumed to be valid, legal, and enforceable. (10) The Secretary may not make any loan or loan guarantee under this section unless— (A) the borrower finances at least 25 percent of the funded project from other sources; and (B) the borrower uses funds that were not derived from Federal loans or loan guarantees to pay the fees or premiums on the loan or loan guarantee under this section. (11) The Secretary— (A) shall prescribe explicit standards for use in periodically assessing the credit risk of new and existing direct loans and guaranteed loans; and (B) shall not make a loan or loan guarantee under this section unless the Secretary finds that there is a reasonable assurance of repayment. (e) Limitation on refinancing The authority vested by subsection (a)(2)— (1) authorizes making loans and loan guarantees only for refinancing loans that are entered into on or before the date that is 24 months before the date of enactment of the Mental Health Infrastructure Improvement Act of 2023