Computation of taxable income
Taxable income shall be computed on the basis of the taxpayer’s taxable year.
Taxable year
Annual accounting period
For purposes of this subtitle, the term “annual accounting period” means the annual period on the basis of which the taxpayer regularly computes his income in keeping his books.
Calendar year
For purposes of this subtitle, the term “calendar year” means a period of 12 months ending on December 31.
Fiscal year
For purposes of this subtitle, the term “fiscal year” means a period of 12 months ending on the last day of any month other than December. In the case of any taxpayer who has made the election provided by subsection (f) the term means the annual period (varying from 52 to 53 weeks) so elected.
Election of year consisting of 52–53 weeks
General rule
Special rules for 52–53-week year
Effective dates
Change in accounting period
Special rule for partnerships, S corporations, and personal service corporations
The Secretary may by regulation provide terms and conditions for the application of this subsection to a partnership, S corporation, or personal service corporation (within the meaning of section 441(i)(2)).
Regulations
The Secretary shall prescribe such regulations as he deems necessary for the application of this subsection.
No books kept; no accounting period
Taxable year of DISC’s
In general
For purposes of this subtitle, the taxable year of any DISC shall be the taxable year of that shareholder (or group of shareholders with the same 12-month taxable year) who has the highest percentage of voting power.
Special rule where more than one shareholder (or group) has highest percentage
If 2 or more shareholders (or groups) have the highest percentage of voting power under paragraph (1), the taxable year of the DISC shall be the same 12-month period as that of any such shareholder (or group).
Subsequent changes of ownership
The Secretary shall prescribe regulations under which paragraphs (1) and (2) shall apply to a change of ownership of a corporation after the taxable year of the corporation has been determined under paragraph (1) or (2) only if such change is a substantial change of ownership.
Voting power determined
For purposes of this subsection, voting power shall be determined on the basis of total combined voting power of all classes of stock of the corporation entitled to vote.
Taxable year of personal service corporations
In general
For purposes of this subtitle, the taxable year of any personal service corporation shall be the calendar year unless the corporation establishes, to the satisfaction of the Secretary, a business purpose for having a different period for its taxable year. For purposes of this paragraph, any deferral of income to shareholders shall not be treated as a business purpose.
Personal service corporation
Aug. 16, 1954, ch. 73668A Stat. 148Pub. L. 88–272, title II, § 235(c)(3)78 Stat. 127Pub. L. 94–455, title XIX, § 1906(b)(13)(A)90 Stat. 1834Pub. L. 95–30, title I, § 102(b)(5)91 Stat. 137Pub. L. 98–369, div. A, title IV, § 474(b)(2)98 Stat. 830Pub. L. 99–514, title I, § 104(b)(6)100 Stat. 2105Pub. L. 100–647, title I, § 1008(e)(4)102 Stat. 3440Pub. L. 110–172, § 11(g)(7)121 Stat. 2490(, ; , , ; , , ; , , ; , title VIII, § 803, , , 1000; , title VIII, § 806(c)(1), (d), , , 2364; , , ; , , .)
Editorial Notes
Amendments
Pub. L. 110–172, § 11(g)(7)(A)2007—Subsec. (b)(4). , struck out “FSC or” before “DISC filing”.
Pub. L. 110–172, § 11(g)(7)(B)Subsec. (h). , struck out “FSC’s and” before “DISC’s” in heading and “FSC or” before “DISC” in pars. (1) and (2).
Pub. L. 100–6471988—Subsec. (i)(2). inserted at end “A corporation shall not be treated as a personal service corporation unless more than 10 percent of the stock (by value) in such corporation is held by employee-owners (within the meaning of section 269A(b)(2), as modified by the preceding sentence). If a corporation is a member of an affiliated group filing a consolidated return, all members of such group shall be taken into account in determining whether such corporation is a personal service corporation.”
Pub. L. 99–514, § 104(b)(6)1986—Subsec. (f)(2)(B)(iii). , struck out “and by adding the zero bracket amount,” after “in the short period,”.
Pub. L. 99–514, § 806(d)Subsec. (f)(3), (4). , added par. (3) and redesignated former par. (3) as (4).
Pub. L. 99–514, § 806(c)(1)Subsec. (i). , added subsec. (i).
Pub. L. 98–369, § 803(a)1984—Subsec. (b)(4). , added par. (4).
Pub. L. 98–369, § 474(b)(2)Subsec. (f)(2)(A). , substituted “section 15” for “section 21” in provisions preceding cl. (i).
Pub. L. 98–369, § 803(b)Subsec. (h). , added subsec. (h).
Pub. L. 95–301977—Subsec. (f)(2)(B)(iii). substituted “multiplying the gross income for such short period (minus the deductions allowed by this chapter for the short period, but only the adjusted amount of the deductions for personal exemptions as described in section 443(c)) by 365, by dividing the result by the number of days in the short period, and by adding the zero bracket amount” for “multiplying such income by 365 and dividing the result by the number of days in the short period”.
Pub. L. 94–4551976—Subsec. (f)(3). struck out “or his delegate” after “Secretary”.
Pub. L. 88–2721964—Subsec. (f)(2)(A). inserted “, including,” before “or ending with reference to”.
Statutory Notes and Related Subsidiaries
Effective Date of 1988 Amendment
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 .
Effective Date of 1986 Amendment
section 104(b)(6) of Pub. L. 99–514section 151(a) of Pub. L. 99–514section 1 of this titleAmendment by applicable to taxable years beginning after , see , set out as a note under .
Pub. L. 99–514section 806(e) of Pub. L. 99–514section 1378 of this titleAmendment by section 806(c)(1), (d) of applicable to taxable years beginning after , with special provisions applicable to taxpayers who are required to change their accounting periods, see , set out as a note under .
Effective Date of 1984 Amendment
section 474(b)(2) of Pub. L. 98–369section 475(a) of Pub. L. 98–369section 21 of this titleAmendment by applicable to taxable years beginning after , and to carrybacks from such years, see , set out as a note under .
section 803 of Pub. L. 98–369section 805(a)(4) of Pub. L. 98–369section 245 of this titleAmendment by applicable to taxable years beginning after , see , as amended, set out as a note under .
Effective Date of 1977 Amendment
Pub. L. 95–30section 106(a) of Pub. L. 95–30section 1 of this titleAmendment by applicable to taxable years beginning after , see , set out as a note under .
Effective Date of 1964 Amendment
Pub. L. 88–272section 235(d) of Pub. L. 88–272section 269 of this titleAmendment by applicable to taxable years ending after , see , set out as a note under .
Section 806 of Pub. L. 99–514Construction of
section 806 of Pub. L. 99–514section 1008(e)(9) of Pub. L. 100–647section 1378 of this titleNothing in or in any legislative history relating thereto to be construed as requiring the Secretary of the Treasury or his delegate to permit an automatic change of a taxable year, see , set out as a note under .