(a) General rule. Except as provided by paragraph (b) of this section, a return or return information (including taxpayer return information), as defined in section 6103(b) (1), (2), and (3) of the Internal Revenue Code, disclosed by the Internal Revenue Service before January 1, 1977, to an officer or employee of a Federal agency (as defined in section 6103(b)(9)) for a purpose not involving tax administration (as defined in section 6103(b)(4)) pursuant to the authority of section 6103 (or any order of the President under section 6103 or rules and regulations thereunder prescribed by the Secretary or his delegate and approved by the President) before amendment of such section by section 1202 of the Tax Reform Act of 1976 (Pub. L. 94-455, 90 Stat. 1667) may be disclosed by, or on behalf of, such officer, employee, or agency after December 31, 1976, for any purpose authorized by such section (or such order or rules and regulations) before such amendment.
(b) Exception. Notwithstanding the provisions of paragraph (a) of this section, a return or return information (including taxpayer return information) disclosed before January 1, 1977, by the Service to an officer or employee of a Federal agency for a purpose unrelated to tax administration as described in paragraph (a) may, after December 31, 1976, be disclosed by, or on behalf of, such agency, officer, or employee in an administrative or judicial proceeding only if such proceeding is one described in section 6103(i)(4) of the Code and if the requirements of section 6103(i)(4) have first been met.
The preliminary Code is a preliminary release of the Internal Revenue Code of 1986 (the "Code") by the Office of the Law Revision Counsel and is subject to further revision before it is released again as a final version. The source of the preliminary Code used in TouchTax is available here: https://uscode.house.gov/download/download.shtml. The Code is a consolidation and codification by subject matter of the general and permanent laws of the U.S. prepared by the Office of the Law Revision Counsel of the U.S. House of Representatives. The Treasury Regulations are a codification of the general and permanent rules published in the Federal Register by the departments and agencies of the federal government. The version of the Treasury Regulations available within TouchTax is part of the Electronic Code of Federal Regulations which is not an official legal edition of the Code of Federal Regulations but is an editorial compilation of CFR material and Federal Register amendments produced by the National Archives and Records Administration's Office of the Federal Register (OFR) and the Government Publishing Office. The source of the CFR used in TouchTax is available here: https://www.govinfo.gov/bulkdata/ECFR/title-26. Those using TouchTax for legal research should verify their results against the printed versions of the Code and Treasury Regulations. TouchTax is copyright 2022 by Com-Lab (Mobile). Learn more at http://touchtax.edrich.de.