to the fees of the standard single-family pricing framework in effect immediately before May 1, 2023. 4. Restrictions on FHFA adjustments to single-family pricing framework (a) Temporary prohibition on further adjustments to single-Family pricing framework During the period beginning on the date of the revision of the recalibrated single-family pricing framework pursuant to section 3 and ending on the date that is 90 days after the date on which the Comptroller General of the United States submits to Congress the report required under section 6, the Director may not further revise the single-family pricing framework from the framework in effect pursuant to the revision required by section 3. (b) Administrative procedures for adoption of adjustments to the single-Family pricing framework After the expiration of the period described in subsection (a), when proposing adjustments to the single-family pricing framework, the Director shall follow procedures that are as close as practicable to those requirements for a Federal agency issuing a rule under chapter 5 of title 5, United States Code (commonly referred to as the Administrative Procedure Act ). (c) FHFA requirement for the use of risk-Based pricing Section 1367(b)(2) of the Federal Housing Enterprises Financial Safety and Soundness Act of 1992 ( 12 U.S.C. 4617(b)(2) ) is amended by adding at the end the following: (L) Additional powers as conservator The Agency shall, as conservator for an enterprise, to the greatest extent feasible, require that any modifications, including increases, decreases, or eliminations, approved to a loan-level pricing adjustment fee, as is defined in section 2 of the Middle Class Borrower Protection Act of 2023 , charged by an enterprise shall be based on the risk posed by the mortgage loan to the enterprise. . 5. Prohibition of loan-level price adjustments based on debt-to-income ratio The Director and the enterprises shall not impose any loan-level pricing adjustment fee that is based on the ratio of the debt of the mortgagor to