Code of Federal Regulations · Section
§ 301.6221(a)-1 — (a)-1 Determination At Partnership Level
26 C.F.R. § 301.6221(a)-1
(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.
Authorizing Statute
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Confidentiality and disclosure of returns and return information26 U.S.C. § 6103
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Restrictions applicable to deficiencies; petition to Tax Court26 U.S.C. § 6213
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Signing of returns and other documents26 U.S.C. § 6061
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Assessment, collection, and payment26 U.S.C. § 6232
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Period of limitations on making adjustments26 U.S.C. § 6235
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Validity and priority against certain persons26 U.S.C. § 6323
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Definitions26 U.S.C. § 7701
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Partner’s return must be consistent with partnership return26 U.S.C. § 6222
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Alternative to payment of imputed underpayment by partnership26 U.S.C. § 6226
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Notice of qualification as executor or receiver26 U.S.C. § 6036
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Partners bound by actions of partnership26 U.S.C. § 6223
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Abatements26 U.S.C. § 6404
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Commissioner of Internal Revenue; other officials26 U.S.C. § 7803
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Extension of time for filing returns26 U.S.C. § 6081
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Treaty-based return positions26 U.S.C. § 6114
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Timely mailing treated as timely filing and paying26 U.S.C. § 7502
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Interest and penalties26 U.S.C. § 6233
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Certified professional employer organizations26 U.S.C. § 7705
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Accelerated cost recovery system26 U.S.C. § 168
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General requirement of return, statement, or list26 U.S.C. § 6011
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Disclosure of reportable transactions26 U.S.C. § 6111
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Rules and regulations26 U.S.C. § 7805
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Persons required to make returns of income26 U.S.C. § 6012
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Return of S corporation26 U.S.C. § 6037
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Reimbursement to State and local law enforcement agencies26 U.S.C. § 7624
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Determination at partnership level26 U.S.C. § 6221
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Partnership adjustment by Secretary26 U.S.C. § 6225
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Authority to release levy and return property26 U.S.C. § 6343
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Disclosure or use of information by preparers of returns26 U.S.C. § 7216
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Departmental regulations5 U.S.C. § 301
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Tax imposed26 U.S.C. § 1
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Notice of proceedings and adjustment26 U.S.C. § 6231
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Payment of tax by commercially acceptable means26 U.S.C. § 6311
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Sale of seized property26 U.S.C. § 6335
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Procedural requirements26 U.S.C. § 6751
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Low-income housing credit26 U.S.C. § 42
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Special rules26 U.S.C. § 1474
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Returns by exempt organizations26 U.S.C. § 6033
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Definitions and special rules26 U.S.C. § 6241
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Administrative appeal of liens26 U.S.C. § 6326
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Expenses of detection of underpayments and fraud, etc.26 U.S.C. § 7623
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Information concerning resident status26 U.S.C. § 6039E
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Identifying numbers26 U.S.C. § 6109
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Administrative adjustment request by partnership26 U.S.C. § 6227
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Authority to make credits or refunds26 U.S.C. § 6402
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Judicial review of partnership adjustment26 U.S.C. § 6234
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Failure to file notice of redetermination of foreign tax26 U.S.C. § 6689
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Income from discharge of indebtedness26 U.S.C. § 108