(a) In general. Except as otherwise provided under subchapter C of chapter 63 of the Internal Revenue Code (subchapter C of chapter 63) and the regulations in this part, any adjustment to a partnership-related item (as defined in § 301.6241-1(a)(6)(ii)) is determined, any tax imposed by chapter 1 of the Internal Revenue Code (Code) attributable thereto is assessed and collected, and the applicability of any penalty, addition to tax, or additional amount that relates to an adjustment to any partnership-related item is determined at the partnership level under subchapter C of chapter 63.
(b) Legal and factual determinations at the partnership level. Except as otherwise provided under subchapter C of chapter 63, any legal or factual determinations underlying any adjustment or determination made in accordance with paragraph (a) of this section are also determined at the partnership level under subchapter C of chapter 63. For instance, determinations under this paragraph (b) include any determinations necessary to calculate the imputed underpayment or any modification of the imputed underpayment under section 6225 and the period of limitations on making adjustments under subchapter C of chapter 63.
(c) Applicability date—(1) In general. Except as provided in paragraph (c)(2) of this section, this section applies to partnership taxable years beginning after December 31, 2017, and ending after August 12, 2018.
(2) Election under § 301.9100-22 in effect. This section applies to any partnership taxable year beginning after November 2, 2015, and before January 1, 2018, for which a valid election under § 301.9100-22 is in effect.
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 2024 by Com-Lab (Mobile). Learn more at http://touchtax.edrich.de.