II 115th CONGRESS 2d Session S. 3284 IN THE SENATE OF THE UNITED STATES July 26, 2018 Mr. Tester (for himself, Mr. Wyden , Mr. Udall , Mr. Whitehouse , Mr. Blumenthal , Mr. Van Hollen , Mr. Reed , Mr. Nelson , Ms. Hirono , Ms. Hassan , Mr. Merkley , Mr. Kaine , Mrs. McCaskill , Mr. Peters , Mr. Bennet , Mrs. Murray , Mr. Heinrich , Ms. Cortez Masto , Mr. Carper , Mr. Brown , Mr. Durbin , Ms. Heitkamp , Mr. Casey , Mr. King , Mr. Menendez , Mr. Murphy , and Ms. Warren ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To amend the Internal Revenue Code of 1986 to require certain tax-exempt organizations to include on annual returns the names and addresses of substantial contributors, and for other purposes.