US Code

Public Law 119-73 (01/23/2026)

26 U.S.C. § 1363

Effect of election on corporation

(a)

General rule

Except as otherwise provided in this subchapter, an S corporation shall not be subject to the taxes imposed by this chapter.

(b)

Computation of corporation’s taxable income

The taxable income of an S corporation shall be computed in the same manner as in the case of an individual, except that—
(1)
the items described in section 1366(a)(1)(A) shall be separately stated,
(2)
the deductions referred to in section 703(a)(2) shall not be allowed to the corporation,
(3)
section 248 shall apply, and
(4)
section 291 shall apply if the S corporation (or any predecessor) was a C corporation for any of the 3 immediately preceding taxable years.
(c)

Elections of the S corporation

(1)

In general

Except as provided in paragraph (2), any election affecting the computation of items derived from an S corporation shall be made by the corporation.

(2)

Exceptions

In the case of an S corporation, elections under the following provisions shall be made by each shareholder separately—
(A)
section 617 (relating to deduction and recapture of certain mining exploration expenditures), and
(B)
section 901 (relating to taxes of foreign countries and possessions of the United States).
(d)

Recapture of LIFO benefits

(1)

In general

If—
(A)
an S corporation was a C corporation for the last taxable year before the first taxable year for which the election under section 1362(a) was effective, and
(B)
the corporation inventoried goods under the LIFO method for such last taxable year,
the LIFO recapture amount shall be included in the gross income of the corporation for such last taxable year (and appropriate adjustments to the basis of inventory shall be made to take into account the amount included in gross income under this paragraph).
(2)

Additional tax payable in installments

(A)

In general

Any increase in the tax imposed by this chapter by reason of this subsection shall be payable in 4 equal installments.

(B)

Date for payment of installments

The first installment under subparagraph (A) shall be paid on or before the due date (determined without regard to extensions) for the return of the tax imposed by this chapter for the last taxable year for which the corporation was a C corporation and the 3 succeeding installments shall be paid on or before the due date (as so determined) for the corporation’s return for the 3 succeeding taxable years.

(C)

No interest for period of extension

Notwithstanding section 6601(b), for purposes of section 6601, the date prescribed for the payment of each installment under this paragraph shall be determined under this paragraph.

(3)

LIFO recapture amount

For purposes of this subsection, the term “LIFO recapture amount” means the amount (if any) by which—
(A)
the inventory amount of the inventory asset under the first-in, first-out method authorized by section 471, exceeds
(B)
the inventory amount of such assets under the LIFO method.
For purposes of the preceding sentence, inventory amounts shall be determined as of the close of the last taxable year referred to in paragraph (1).
(4)

Other definitions

For purposes of this subsection—
(A)

LIFO method

The term “LIFO method” means the method authorized by section 472.

(B)

Inventory assets

The term “inventory assets” means stock in trade of the corporation, or other property of a kind which would properly be included in the inventory of the corporation if on hand at the close of the taxable year.

(C)

Method of determining inventory amount

The inventory amount of assets under a method authorized by section 471 shall be determined—
(i)
if the corporation uses the retail method of valuing inventories under section 472, by using such method, or
(ii)
if clause (i) does not apply, by using cost or market, whichever is lower.
(D)

Not treated as member of affiliated group

Except as provided in regulations, the corporation referred to in paragraph (1) shall not be treated as a member of an affiliated group with respect to the amount included in gross income under paragraph (1).

(5)

Special rule

Sections 1367(a)(2)(D) and 1371(c)(1) shall not apply with respect to any increase in the tax imposed by reason of this subsection.

Pub. L. 97–354, § 296 Stat. 1676Pub. L. 98–369, div. A, title VII, § 721(a)98 Stat. 966Pub. L. 99–514, title V, § 511(d)(2)(C)100 Stat. 2249Pub. L. 100–203, title X, § 10227(a)101 Stat. 1330–416Pub. L. 100–647, title I, § 1006(f)(7)102 Stat. 3407Pub. L. 109–135, title IV, § 411(a)119 Stat. 2636(Added , , ; amended , (b)(1), (p), , , 970; , title VI, § 632(b), title VII, § 701(e)(4)(J), , , 2277, 2343; , , ; , title II, § 2004(n), , , 3608; , , .)

Editorial Notes

Amendments

Pub. L. 109–1352005—Subsec. (d)(5). added par. (5).

Pub. L. 100–647, § 1006(f)(7)1988—Subsec. (d). , struck out subsec. (d) which related to distributions of appreciated property.

Pub. L. 100–647, § 2004(n)Subsec. (d)(4)(D). , added subpar. (D).

Pub. L. 100–647, § 1006(f)(7)Subsec. (e). , struck out subsec. (e) which provided that subsec. (d) not apply to reorganizations, etc.

Pub. L. 100–2031987—Subsec. (d). added subsec. (d) relating to recapture of LIFO benefits.

Pub. L. 99–514, § 701(e)(4)(J)1986—Subsec. (a). , struck out “and in section 58(d)” after “this subchapter”.

Pub. L. 99–514, § 511(d)(2)(C)Subsec. (c)(2). , redesignated subpars. (B) and (C) as (A) and (B), respectively, and struck out former subpar. (A) which read as follows: “section 163(d) (relating to limitation on interest on investment indebtedness),”.

Pub. L. 99–514, § 632(b)Subsec. (e). , amended subsec. (e) generally, substituting “reorganizations, etc.” for “complete liquidations and reorganizations”, in heading and in text struck out reference to property in complete liquidation of the corporation.

Pub. L. 98–369, § 721(p)1984—Subsec. (b)(4). , added par. (4).

Pub. L. 98–369, § 721(b)(1)Subsec. (c)(2). , redesignated subpars. (B) to (D) as (A) to (C), respectively, and struck out subpar. (A) which provided “subsection (b)(5) or (d)(4) of section 108 (relating to income from discharge of indebtedness),”.

Pub. L. 98–369, § 721(a)(2)Subsec. (d). , substituted “Except as provided in subsection (e), if” for “If”.

Pub. L. 98–369, § 721(a)(1)Subsec. (e). , added subsec. (e).

Statutory Notes and Related Subsidiaries

Effective Date of 2005 Amendment

Pub. L. 109–135, title IV, § 411(b)119 Stat. 2636

Pub. L. 100–203“The amendment made by this section [amending this section] shall take effect as if included in section 10227 of the Omnibus Budget Reconciliation Act of 1987 [].”
, , , provided that:

Effective Date of 1988 Amendment

section 1006(f)(7) of Pub. L. 100–647Pub. L. 99–514section 1019(a) of Pub. L. 100–647section 1 of this titleAmendment by effective, except as otherwise provided, as if included in the provision of the Tax Reform Act of 1986, , to which such amendment relates, see , set out as a note under .

section 2004(n) of Pub. L. 100–647Pub. L. 100–203, title Xsection 2004(u) of Pub. L. 100–647section 56 of this titleAmendment by effective, except as otherwise provided, as if included in the provisions of the Revenue Act of 1987, , to which such amendment relates, see , set out as a note under .

Effective Date of 1987 Amendment

Pub. L. 100–203, title X, § 10227(b)101 Stat. 1330–417

“(1)

In general .—

Except as provided in paragraph (2) the amendment made by subsection (a) [amending this section] shall apply in the case of elections made after .
“(2)

Exception .—

The amendment made by subsection (a) shall not apply in the case of any election made by a corporation after , and before , if, on or before —
“(A)
there was a resolution adopted by the board of directors of such corporation to make an election under subchapter S of chapter 1 of the Internal Revenue Code of 1986, or
“(B)
there was a ruling request with respect to the business filed with the Internal Revenue Service expressing an intent to make such an election.”
, , , provided that:

Effective Date of 1986 Amendment

section 511(d)(2)(C) of Pub. L. 99–514section 511(e) of Pub. L. 99–514section 163 of this titleAmendment by applicable to taxable years beginning after , see , set out as a note under .

section 632(b) of Pub. L. 99–514section 338 of this titlesection 633 of Pub. L. 99–514section 336 of this titleAmendment by applicable to any distribution in complete liquidation, and any sale or exchange, made by a corporation after , unless such corporation is completely liquidated before , any transaction described in for which the acquisition date occurs after , and any distribution, not in complete liquidation, made after , with exceptions and special and transitional rules, see , set out as an Effective Date note under .

section 701(e)(4)(J) of Pub. L. 99–514section 701(f) of Pub. L. 99–514section 55 of this titleAmendment by applicable to taxable years beginning after , with certain exceptions and qualifications, see , set out as an Effective Date note under .

Effective Date of 1984 Amendment

Pub. L. 98–369Pub. L. 97–354section 721(y)(1) of Pub. L. 98–369section 1361 of this titleAmendment by effective as if included in the Subchapter S Revision Act of 1982, , see , set out as a note under .

Effective Date

section 6(a) of Pub. L. 97–354section 1361 of this titleSection applicable to taxable years beginning after , see , set out as a note under .

Pub. L. 99–514Applicability of Certain Amendments by in Relation to Treaty Obligations of United States

section 701(e)(4)(J) of Pub. L. 99–514Pub. L. 100–647Pub. L. 99–514Pub. L. 100–647section 861 of this titleFor applicability of amendment by notwithstanding any treaty obligation of the United States in effect on , with provision that for such purposes any amendment by title I of be treated as if it had been included in the provision of to which such amendment relates, see section 1012(aa)(2), (4) of , set out as a note under .