the total principal amount of any notes and other obligations, any part of which is to be guaranteed, not to exceed $17,391,304: Provided further , That the Department will notify grantees of their formula allocation within 60 days of the date of enactment of this Act: Provided further , That no Indian tribe shall receive an allocation amount greater than 10 percent of the total amount made available under this paragraph. Indian housing loan guarantee fund program account For the cost of guaranteed loans, as authorized by section 184 of the Housing and Community Development Act of 1992 ( 12 U.S.C. 1715z–13a ), $1,000,000, to remain available until expended: Provided , That such costs, including the costs of modifying such loans, shall be as defined in section 502 of the Congressional Budget Act of 1974: Provided further , That these funds are available to subsidize total loan principal, any part of which is to be guaranteed, up to $270,270,270, to remain available until expended: Provided further , That up to $750,000 of this amount may be for administrative contract expenses including management processes and systems to carry out the loan guarantee program. Native hawaiian housing block grant For the Native Hawaiian Housing Block Grant program, as authorized under title VIII of the Native American Housing Assistance and Self-Determination Act of 1996 ( 25 U.S.C. 4111 et seq.), $1,000,000 to remain available until September 30, 2019: Provided , That notwithstanding section 812(b) of such Act, the Department of Hawaiian Home Lands may not invest grant amounts provided under this heading in investment securities and other obligations: Provided further , That the language under the first proviso under the heading Native Hawaiian Housing Block Grant in the Department of Housing and Urban Development Appropriations Act, 2015 ( Public Law 113–235 ) is amended by striking Hawaii-based : Provided further , That amounts made available under this heading in this and prior fiscal years may be used to provide rental