; or (C) a metropolitan area. (3) Institution of higher education The term institution of higher education has the meaning given the term in section 101 of the Higher Education Act of 1965 ( 20 U.S.C. 1001 ). (4) Metropolitan area; State; unit of general local government The terms metropolitan area , State , and unit of general local government have the meanings given those terms in section 102 of the Housing and Community Development Act of 1974 ( 42 U.S.C. 5302 ). (5) Secretary The term Secretary means the Secretary of Housing and Urban Development. (b) Establishment Not later than 1 year after the date of enactment of this Act, the Secretary shall establish a program to make grants to eligible entities that— (1) reform local land use restrictions to bring down the costs of producing affordable housing; and (2) remove unnecessary barriers to building affordable units in their communities. (c) Eligible activities An eligible entity receiving a grant under this section may use funds to— (1) carry out any of the activities described in section 105 of the Housing and Community Development Act of 1974 ( 42 U.S.C. 5305 ); (2) carry out any of the activities permitted under the program for national infrastructure investments (commonly known as the Better Utilizing Investments to Leverage Development (BUILD) discretionary grant program ) authorized under title I of division L of the Consolidated Appropriations Act, 2018 ( Public Law 115–141 ) or a subsequent appropriations Act