Internal Revenue Code · 26 U.S.C.
§ 6233. Interest and penalties
Official text, no changes From the Office of the Law Revision Counsel, release point 119-121 (current through Public Law 119-121 (October 9, 2026)). Compare it with the official text at uscode.house.gov (external site).
Cite as 26 U.S.C. § 6233
At a glance
Read from the text, the source credit and the official notes. Not part of the law.
- Status
- In force
- Added
- November 2, 2015 by Pub. L. 114–74
- Last amended
- March 23, 2018 by Pub. L. 115–141
- Amendments
- 1 dated changes in the source credit
- Length
- 3 subsections · 398 words · about 2 min to read
- Cross-references
- cites 3; cited by 0 Code sections and 1 other regulation
- Regulations
- 3 issued under this section
The interest computed under this paragraph with respect to any partnership adjustment is the interest which would be determined under chapter 67 for the period beginning on the day after the return due date for the reviewed year and ending on the return due date for the adjustment year (or, if earlier, the date payment of the imputed underpayment is made). Proper adjustments in the amount determined under the preceding sentence shall be made for adjustments required for partnership taxable years after the reviewed year and before the adjustment year by reason of such partnership adjustment.
Any penalty, addition to tax, or additional amount shall be determined at the partnership level as if such partnership had been an individual subject to tax under chapter 1 for the reviewed year and the imputed underpayment were an actual underpayment (or understatement) for such year.
Interest determined under this paragraph is the interest that would be determined by treating the imputed underpayment as an underpayment of tax imposed in the adjustment year.
For rules allowing deposits to suspend running of interest on potential underpayments, see section 6603.
(Added Pub. L. 114–74, title XI, § 1101(c)(1), Nov. 2, 2015, 129 Stat. 633; amended Pub. L. 115–141, div. U, title II, § 206(i), Mar. 23, 2018, 132 Stat. 1180.)
Regulations under this section
Treasury regulations (26 CFR) issued under § 6233
Cross-references
Computed from the citations in the text of Title 26 and 26 CFR.
This section cites 3 other sections
- § 6226(c) Alternative to payment of imputed underpayment by partnership
- § 6651(a)(2) Failure to file tax return or to pay tax
- § 6603 Deposits made to suspend running of interest on potential underpayments, etc.
Cited in 1 regulation not issued under it
Amendment history
From the source credit and the official notes, newest first.
- Amended by Pub. L. 115–141Parts changed in 2018: (c)
- Added by Pub. L. 114–74
Where it sits in the Code
- Subtitle F Procedure and Administration
- Chapter 63 ASSESSMENT
- Subchapter C Treatment of Partnerships
- Part III PROCEDURE
Nearby sections
Official notes
Show the Law Revision Counsel's notes (amendments, effective dates)
Editorial Notes
Prior Provisions
A prior section 6233, added Pub. L. 98–369, div. A, title VII, § 714(p)(1), July 18, 1984, 98 Stat. 964; amended Pub. L. 104–188, title I, § 1307(c)(3)(B), Aug. 20, 1996, 110 Stat. 1782, related to extension to entities filing partnership returns, prior to repeal by Pub. L. 114–74, title XI, § 1101(a), Nov. 2, 2015, 129 Stat. 625.
Amendments
2018—Subsec. (c). Pub. L. 115–141 added subsec. (c).
Statutory Notes and Related Subsidiaries
Effective Date of 2018 Amendment
Amendment by Pub. L. 115–141 effective as if included in section 1101 of Pub. L. 114–74, see section 207 of Pub. L. 115–141, set out as a note under section 6031 of this title.
Effective Date
Section applicable to returns filed for partnership taxable years beginning after Dec. 31, 2017, with certain exceptions, see section 1101(g) of Pub. L. 114–74, set out as a note under section 6221 of this title.