; or (B) the publication of notice in the Federal Register of such waiver or alternative requirement. (3) Low- and moderate-income use A waiver pursuant to paragraph (1) may not reduce the percentage of funds that must be used for activities that benefit persons of low and moderate income to less than 50 percent, unless the Secretary specifically finds that there is compelling need to further reduce the percentage requirement. (4) Prohibition The Secretary may not waive any provision of this section pursuant to the authority under paragraph (1). (l) Environmental review (1) Adoption Notwithstanding subsection (l)(1), recipients of funds provided under this heading that use such funds to supplement Federal assistance provided under section 402, 403, 404, 406, 407, or 502 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5121 et seq.) may adopt, without review or public comment, any environmental review, approval, or permit performed by a Federal agency, and such adoption shall satisfy the responsibilities of the recipient with respect to such environmental review, approval, or permit under section 104(g)(1) of this Act ( 42 U.S.C. 5304(g)(1) ). (2) Release of funds Notwithstanding section 104(g)(2) of this Act ( 42 U.S.C. 5304(g)(2) ), the Secretary may, upon receipt of a request for release of funds and certification, immediately approve the release of funds for an activity or project assisted with amounts made available for use under this section if the recipient has adopted an environmental review, approval or permit under paragraph (1) or the activity or project is categorically excluded from review under the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.). (m) Deposit of unused amounts in Fund (1) In general Except as provided in paragraph (3), if any amounts made available for assistance under this section remain unobligated upon the earlier of— (A) the date that the grantee of such amounts notifies the Secretary, pursuant to subsection (g)(2) of this