26 U.S.C. § 3509
(a)
In general— If any employer fails to deduct and withhold any tax under
chapter 24 or subchapter A of
chapter 21 with respect to any
employee by reason of treating such
employee as not being an
employee for purposes of such chapter or subchapter, the amount of the employer’s liability
for—
(1)
Withholding taxes— Tax under
chapter 24 for such year with respect to such
employee shall be determined as if the amount required to be deducted and withheld were equal to 1.5 percent of the
wages (as defined in
section 3401) paid to such
employee.
(2)
Employee social security tax— Taxes under subchapter A of
chapter 21 with respect to such
employee shall be determined as if the taxes imposed under such subchapter were 20 percent of the amount imposed under such subchapter without regard to this subparagraph.
(b)
Employer’s liability increased where employer disregards reporting requirements—
(c)
Section not to apply in cases of intentional disregard— This section shall not apply to the determination of the employer’s liability for tax under
chapter 24 or subchapter A of
chapter 21 if such liability is due to the employer’s intentional disregard of the requirement to deduct and withhold such tax.
(d)
Special rules— For purposes of this section—
(1)
Determination of liability— If the amount of any liability for tax is determined under this section—
(A)
the
employee’s liability for tax shall not be affected by the assessment or collection of the tax so determined,
(B)
the employer shall not be entitled to recover from the
employee any tax so determined, and
(2)
Section not to apply where employer deducts wage but not social security taxes— This section shall not apply to any employer with respect to any
wages if—
(A)
the employer deducted and withheld any amount of the tax imposed by
chapter 24 on such
wages, but
(B)
failed to deduct and withhold the amount of the tax imposed by subchapter A of
chapter 21 with respect to such
wages.
(3)
Section not to apply to certain statutory employees— This section shall not apply to any tax under subchapter A of
chapter 21 with respect to an individual described in
subsection (d)(3) of section 3121 (without regard to whether such individual is described in paragraph
(1) or
(2) of such subsection).
Notes, amendments, and revision history
(Added Pub. L. 97–248, title II, § 270(a), Sept. 3, 1982, 96 Stat. 553; amended Pub. L. 100–647, title II, § 2003(d), Nov. 10, 1988, 102 Stat. 3598; Pub. L. 101–508, title V, § 5130(a)(4), Nov. 5, 1990, 104 Stat. 1388–289; Pub. L. 115–141, div. U, title IV, § 401(a)(218), Mar. 23, 2018, 132 Stat. 1194.)
Editorial Notes
Amendments
2018—Subsec. (d)(1)(C). Pub. L. 115–141 substituted “section 3402(d)” for “sections 3402(d)”.
1990—Subsec. (d)(3). Pub. L. 101–508 substituted “subsection (d)(3)” for “subsection (d)(4)”.
1988—Subsec. (d)(3). Pub. L. 100–647 substituted “subsection (d)(4)” for “subsection (d)(3)”.
Statutory Notes and Related Subsidiaries
Effective Date of 1990 Amendment
Amendment by Pub. L. 101–508 effective as if included in the enactment of Pub. L. 100–647, § 2003(d), see section 5130(b) of Pub. L. 101–508, set out as a note under section 1402 of this title.
Effective Date
Pub. L. 97–248, title II, § 270(c), Sept. 3, 1982, 96 Stat. 554, provided that: “The amendment made by this section [enacting this section] shall take effect on the date of the enactment of this Act [Sept. 3, 1982], except that such amendments shall not apply to any assessment made before January 1, 1983.”