; and (2) by adding at the end the following: (e) Timeline for waiver The Secretary shall act upon a waiver request submitted under subsection (d) by a recipient within 60 days after receipt of such request. (f) Consolidation of environmental review requirements If a recipient is using one or more sources of Federal funds in addition to grant amounts under this Act in carrying out a project that qualifies as an affordable housing activity under section 202, such other sources of Federal funds do not exceed 49 percent of the total cost of the project, and the recipient’s tribe has assumed all of the responsibilities for environmental review, decisionmaking, and action pursuant to this section, the tribe’s compliance with the review requirements under this section and the National Environmental Policy Act of 1969 with regard to such project shall be deemed to fully comply with and discharge any applicable environmental review requirements that might apply to Federal agencies with respect to the use of such additional Federal funding sources for that project. . 104. Deadline for action on request for approval regarding exceeding TDC maximum cost for project (a) Approval Section 103 ( 25 U.S.C. 4113 ) is amended by adding at the end the following new subsection: (f) Deadline for action on request To exceed TDC maximum A request for approval by the Secretary of Housing and Urban Development to exceed by more than 10 percent the total development cost maximum cost for a project shall be approved or denied during the 60-day period that begins on the date that the Secretary receives the request. . (b) Definition Section 4 ( 25 U.S.C. 4103 ) is amended— (1) by redesignating paragraph (22) as paragraph (23)