U.S. Code » Title 26 » Subtitle Subtitle F— Procedure and Administration › Chapter CHAPTER 68— ADDITIONS TO THE TAX, ADDITIONAL AMOUNTS, AND ASSESSABLE PENALTIES › Subchapter Subchapter B— Assessable Penalties › Part PART I— GENERAL PROVISIONS

26 U.S.C. § 6676

Erroneous claim for refund or credit

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(a) Civil penalty

If a claim for refund or credit with respect to income or employment tax is made for an excessive amount, unless it is shown that the claim for such excessive amount is due to reasonable cause, the person making such claim shall be liable for a penalty in an amount equal to 20 percent of the excessive amount.

(b) Excessive amount

For purposes of this section, the term “excessive amount” means in the case of any person the amount by which the amount of the claim for refund or credit for any taxable year exceeds the amount of such claim allowable under this title for such taxable year.

(c) Noneconomic substance transactions treated as lacking reasonable cause

For purposes of this section, any excessive amount which is attributable to any transaction described in section 6662(b)(6) shall not be treated as due to reasonable cause.

(d) Coordination with other penalties

This section shall not apply to any portion of the excessive amount of a claim for refund or credit which is subject to a penalty imposed under part II of subchapter A of chapter 68.

(Added Pub. L. 110–28, title VIII, § 8247(a), May 25, 2007, 121 Stat. 204; amended Pub. L. 111–152, title I, § 1409(d), Mar. 30, 2010, 124 Stat. 1070; Pub. L. 114–113, div. Q, title II, § 209(b), (c), Dec. 18, 2015, 129 Stat. 3084, 3085; Pub. L. 115–141, div. U, title IV, § 401(a)(305), Mar. 23, 2018, 132 Stat. 1199; Pub. L. 119–21, title VII, § 70605(f), July 4, 2025, 139 Stat. 288.)Editorial NotesCodification

Section 1409(d) of Pub. L. 111–152, which directed the amendment of section 6676 without specifying the act to be amended, was executed to this section, which is section 6676 of the Internal Revenue Code of 1986, to reflect the probable intent of Congress. See 2010 Amendment note below.

Prior Provisions

A prior section 6676, added Pub. L. 87–397, § 1(b), Oct. 5, 1961, 75 Stat. 828; amended Pub. L. 91–172, title I, § 101(j)(52), Dec. 30, 1969, 83 Stat. 531; Pub. L. 93–406, title II, § 1016(a)(20), Sept. 2, 1974, 88 Stat. 931; Pub. L. 97–248, title III, § 316(a), Sept. 3, 1982, 96 Stat. 607; Pub. L. 98–67, title I, § 105(a), Aug. 5, 1983, 97 Stat. 380; Pub. L. 98–369, div. A, title IV, § 422(c), July 18, 1984, 98 Stat. 798; Pub. L. 99–514, title XV, §§ 1501(b), 1523(b)(3), 1524(b), Oct. 22, 1986, 100 Stat. 2736, 2748, 2749; Pub. L. 100–647, title I, § 1015(g), Nov. 10, 1988, 102 Stat. 3570, related to failure to supply identifying numbers, prior to repeal by Pub. L. 101–239, title VII, § 7711(b)(1), (c), Dec. 19, 1989, 103 Stat. 2393, applicable to returns and statements the due date for which (determined without regard to extensions) is after Dec. 31, 1989.

Amendments

2025—Subsec. (a). Pub. L. 119–21 substituted “income or employment tax” for “income tax”.

2018—Subsec. (c). Pub. L. 115–141 substituted “reasonable cause” for “reasonable basis” in heading.

2015—Subsec. (a). Pub. L. 114–113, § 209(c)(1), substituted “is due to reasonable cause” for “has a reasonable basis”.

Pub. L. 114–113, § 209(b), struck out “(other than a claim for a refund or credit relating to the earned income credit under section 32)” after “income tax”.

Subsec. (c). Pub. L. 114–113, § 209(c)(2), substituted “due to reasonable cause” for “having a reasonable basis”.

2010—Subsecs. (c), (d). Pub. L. 111–152 added subsec. (c) and redesignated former subsec. (c) as (d). See Codification note above.

Statutory Notes and Related SubsidiariesEffective Date of 2025 Amendment

Amendment by Pub. L. 119–21 applicable to claims for credit or refund after July 4, 2025, see section 70605(g)(4) of Pub. L. 119–21, set out as an Enforcement Provisions With Respect to COVID-Related Employee Retention Credits note under section 3134 of this title.

Effective Date of 2015 Amendment

Pub. L. 114–113, div. Q, title II, § 209(d)(2), Dec. 18, 2015, 129 Stat. 3085, as amended by Pub. L. 115–141, div. U, title I, § 101(k), Mar. 23, 2018, 132 Stat. 1162, provided that: “The amendments made by subsections (b) and (c) [amending this section] shall apply to claims filed after the date of the enactment of this Act [Dec. 18, 2015].”

Effective Date of 2010 Amendment

Amendment by Pub. L. 111–152 applicable to refunds and credits attributable to transactions entered into after Mar. 30, 2010, see section 1409(e)(4) of Pub. L. 111–152, set out as a note under section 6662 of this title.

Effective Date

Pub. L. 110–28, title VIII, § 8247(c), May 25, 2007, 121 Stat. 204, provided that: “The amendments made by this section [enacting this section] shall apply to any claim filed or submitted after the date of the enactment of this Act [May 25, 2007].”

Notes of Decisions
Cited in 10 cases (3 in the last 5 years), 1987–2023 · leading case: Florida Ex Rel. Attorney Gen. v. United States Dep't of Health & Human Servs., 648 F.3d 1235 (11th Cir. 2011).
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Florida Ex Rel. Attorney Gen. v. United States Dep't of Health & Human Servs., 648 F.3d 1235 (11th Cir. 2011). · cites it 2× “[133] See 26 U.S.C. § 6676 (a) ("If a claim for refund or credit with respect to income tax.”
Bill Gates v. United States, 874 F.2d 584 (8th Cir. 1989). “Similarly, a penalty for failure to supply a taxpayer identification number ( 26 U.S.C. § 6676 (e)), or to supply information on a place of residence ( 26 U.”
Spriggs v. United States, 660 F. Supp. 789 (E.D. Va. 1987). “§ 6674 , or to supply a taxpayer identifying number, 26 U.S.C. § 6676 , or to supply information on a place of residence, 26 U.”
Spencer v. Brady, 700 F. Supp. 601 (D.D.C. 1988). “Finally, they ask that this court declare that the penalties to be imposed for a failure to obtain and include a social security or other number be limited, under 26 U.S.C. § 6676 (e), to $5. 1 The plaintiffs’ complaint must be dismissed because this court lacks jurisdiction to…”
Hersch v. United States, 685 F. Supp. 325 (E.D.N.Y 1988). “§ 6678 , or to supply a taxpayer identification number, 26 U.S.C. § 6676 , or to supply information on a place of residence, 26 U.”
Popkin v. United States, 699 F. Supp. 893 (N.D. Ga. 1988). “The penalty for failing to furnish a statement to an employee, 26 USC § 6674 , or to supply a taxpayer identifying number, 26 USC § 6676 , or to supply information on a place of residence, 26 USC § 6687 , applies to ‘each such failure.”
Exxon Mobil v. United States, 43 F.4th 424 (5th Cir. 2022). “” 26 U.S.C. § 6676 (a) (2017) (amended 2018).”
TOWNLEY v. United States (M.D. Ga. 2023). “The Government also asserts, as both a defense and a counterclaim, that Plaintiffs are liable for penalties under 26 U.S.C. § 6676 due to their refund claim being excessive without reasonable cause.”
Exxon Mobil Corp. v. United States (N.D. Tex. 2021). “The IRS later imposed a penalty under 26 U.S.C. § 6676 of approximately $200 million.”
State of Florida v. U.S. Dep't of HHS (11th Cir. 2011). “133 See 26 U.S.C. § 6676 (a) (“If a claim for refund or credit with respect to income tax .”
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