; and (3) $250,000,000 shall be for grants to Indian Tribes for carrying out the Indian Community Development Block Grant program under title I of the Housing and Community Development Act of 1974, notwithstanding section 106(a)(1) of such Act: Provided, That not to exceed 20 percent of any grant made with amounts made available in this paragraph shall be expended for planning and management development and administration: Provided further, That the Secretary shall issue a Notice of Funding Availability for amounts made available in this paragraph not later than 180 days after the date of enactment of this Act: Provided further, That such Notice of Funding Availability shall require application submissions 90 days after the publishing of such Notice: Provided further, That of the applications submitted under the preceding two provisos, the Secretary shall make grants not later than 390 days after the date of enactment of this Act: Provided further, That the Secretary may waive, or specify alternative requirements for, any provision of any statute or regulation that the Secretary administers in connection with the use of amounts made available under this heading in this title (except for requirements related to fair housing, nondiscrimination, labor standards, and the environment), upon a finding by the Secretary that any such waivers or alternative requirements are necessary to expedite or facilitate the use of such amounts: Provided further, That not less than 10 percent of the amounts made available under this heading in this title shall be used for activities that improve water and energy efficiency, or reduce the risk of harm to occupants or property from natural hazards: Provided further, That up to 1 percent of the amounts made available in paragraphs (2) and (3) under this heading in this title may be transferred, in aggregate, to Department of Housing and Urban Development, Program Offices—Public and Indian Housing for necessary costs of administering and overseeing the obligation and expenditure of such