; (ii) Department of Agriculture; (iii) Department of Housing and Urban Development; (iv) Department of Energy; (v) Small Business Administration; and (vi) Community Development Financial Institutions Fund of the Department of the Treasury. (C) Tax incentives The study shall assess and quantify the extent of the assistance and allocations afforded for non-Indian projects and for Indian projects pursuant to each of the following tax incentive programs: (i) New market tax credit. (ii) Low income housing tax credit. (iii) Investment tax credit. (iv) Renewable energy tax incentives. (v) Accelerated depreciation. (D) Tribal investment incentive The study shall assess various alternative incentives that could be provided to enable and encourage Tribal governments to invest in an Indian community development investment fund or bank. . (e) Conforming and technical amendments The Native American Business Development, Trade Promotion, and Tourism Act of 2000 ( 25 U.S.C. 4301 et seq.) is amended— (1) in section 3— (A) in each of paragraphs (1), (4), and (8), by striking tribe and inserting Tribe ; and (B) in paragraph (6), by striking The term Indian tribe has the meaning given that term and inserting The term Indian Tribe has the meaning given the term Indian tribe ; (2) by striking tribes each place the term appears and inserting Tribes ; and (3) by striking tribal each place the term appears and inserting Tribal . 4. Buy Indian Act Section 23 of the Act of June 25, 1910 (commonly known as the Buy Indian Act ) (36 Stat. 861, chapter 431; 25 U.S.C. 47 ), is amended to read as follows: 23. Employment of Indian labor and purchase of products of Indian industry; participation in Mentor-Protege Program (a) Definitions In this section: (1) Indian economic enterprise The term Indian economic enterprise has the meaning given the term in section 1480.201 of title 48, Code of Federal Regulations (or successor regulations). (2) Mentor firm