a national security, law enforcement, or tax administration purpose. . (d) Disclosure of information (1) In general Section 6104(b) of the Internal Revenue Code of 1986 is amended by striking Nothing in this subsection shall authorize the Secretary to disclose the name and address of any contributor to any organization and inserting In the case of any organization described in paragraph (4), (5), or (6) of section 501(c) which files a return under section 6033, such information shall include the name and address of any contributor to such organization which is required to be included on the return, but nothing in this subsection shall authorize the Secretary to disclose the name or address of any contributor to any other organization . (2) Conforming amendment Section 6104(d)(3)(A) of such Code is amended by striking the first sentence and inserting the following: In the case of any organization described in paragraph (4), (5), or (6) of section 501(c) which files a return under section 6033, any copies of annual returns provided under paragraph (1) shall include information relating to the name and address of any contributor to such organization, but nothing in such paragraph shall require the disclosure of the name or address of any contributor to any other organization (other than a private foundation (within the meaning of section 509(a)) or political organization exempt from taxation under section 527). . (3) Effective date The amendments made by this subsection shall apply to returns required to be filed for taxable years ending after December 31, 2017.