1. Short title This Act may be cited as the Brownfields Authorization Increase Act of 2017 . 2. Clarification of State or local government ownership Section 101(20)(D) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9601(20)(D) ) is amended by striking involuntarily the first place it appears. 3. Nonprofit organization eligibility (a) Definition of eligible entity Section 104(k)(1) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9604(k)(1) ) is amended— (1) in subparagraph (G), by striking Alaska; or and inserting Alaska; ; (2) in subparagraph (H), by striking Indian community. and inserting Indian community; or ; and (3) by adding at the end the following new subparagraph: (I) a nonprofit organization, including— (i) an organization described in section 501(c)(3) of the Internal Revenue Code of 1986 and exempt from taxation under section 501(a) of such Code; (ii) a limited liability corporation in which all managing members or all members are organizations described under clause (i); (iii) a limited partnership in which all general partners are— (I) organizations described under clause (i); (II) limited liability corporations whose members are all organizations described under clause (i); or (III) any combination of subclauses (I) and (II); or (iv) a qualified community development entity, as defined in section 45D(c)(1) of the Internal Revenue Code of 1986. . (b) Conforming amendments Section 104(k) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9604(k) ) is amended— (1) in paragraph (3)— (A) in subparagraph (A)(ii)— (i) by striking or nonprofit organizations ; and (ii) by striking or organization ; and (B) in subparagraph (B)(ii)— (i) by striking or other nonprofit organization ; and (ii) by striking or nonprofit organization