§ 443 Returns for a period of less than 12 months

OLRC 119-134 · eCFR 2026-10-19 · 1 regs · 10 amending Acts · cited by 9 sections

Enacted 1954 · Act Aug. 16, 1954, ch. 736 Amended · 10 Acts · From 1939 Code § 47 · § 146

Connections Cited by 9 · Cites 7

(a) Returns for short period A return for a period of less than 12 months (referred to in this section as “short period”) shall be made under any of the following circumstances:

Amended 1976
  • 1976 Pub. L. 94-455 Pub. L. 94–455, § 1204(c)(2), struck out par. (3) which made termination of taxpayer’s taxable year under section 6851 as one of the circumstances under which a tax return for a period of less than 12 months shall be made.
Cited by 5

    (1) Change of annual accounting period When the taxpayer, with the approval of the Secretary, changes his annual accounting period. In such a case, the return shall be made for the short period beginning on the day after the close of the former taxable year and ending at the close of the day before the day designated as the first day of the new taxable year.

    Amended 1976
    • 1976 Pub. L. 94-455 Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.
    Cited by 9

      (2) Taxpayer not in existence for entire taxable year When the taxpayer is in existence during only part of what would otherwise be his taxable year.

      Cited by 2

        (b) Computation of tax on change of annual accounting period

        Cited by 10

          (1) General rule If a return is made under paragraph (1) of subsection (a), the taxable income for the short period shall be placed on an annual basis by multiplying the modified taxable income for such short period by 12, dividing the result by the number of months in the short period. The tax shall be the same part of the tax computed on the annual basis as the number of months in the short period is of 12 months.

          Amended 1977, 1978, 1986
          • 1986 Pub. L. 99-514 Pub. L. 99–514, § 104(b)(7)(A), struck out “, and adding the zero bracket amount” after “by the number of months in the short period”.
          • 1978 Pub. L. 95-600 Pub. L. 95–600, § 703(o)(2), substituted “modified taxable income for such short period” for “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)”.
          • 1977 Pub. L. 95-30 Pub. L. 95–30 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) by 12, dividing the result by the number of months in the short period, and adding the zero bracket amount” for “multiplying such income by 12, and dividing the result by the number of months in the short period”.
          Cited by 13

            (2) Exception

            Amended 1978
            • 1978 Pub. L. 95-600 Pub. L. 95–600, § 703(o)(1), substituted in cl. (i) “modified taxable income” for “taxable income” in two places and in cl. (ii) “the sum of the modified taxable income” for “the taxable income” and “plus the zero bracket amount” for “without placing the taxable income on an annual basis”.
            Cited by 9

              (A) Computation based on 12-month period If the taxpayer applies for the benefits of this paragraph and establishes the amount of this taxable income for the 12-month period described in subparagraph (B), computed as if that period were a taxable year and under the law applicable to that year, then the tax for the short period, computed under paragraph (1), shall be reduced to the greater of the following:

              Cited by 1

                (i) an amount which bears the same ratio to the tax computed on the taxable income for the 12-month period as the modified taxable income computed on the basis of the short period bears to the modified taxable income for the 12-month period; or

                Cited by 1

                  (ii) the tax computed on the modified taxable income for the short period.

                  Amended 1986
                  • 1986 Pub. L. 99-514 Pub. L. 99–514, § 104(b)(7)(B), amended cl. (ii) generally. Prior to amendment, cl. (ii) read as follows: “the tax computed on the sum of the modified taxable income for the short period plus the zero bracket amount.”
                  Cited by 1

                    The taxpayer (other than a taxpayer to whom subparagraph (B)(ii) applies) shall compute the tax and file his return without the application of this paragraph.

                    (B) 12-month period The 12-month period referred to in subparagraph (A) shall be—

                    Cited by 1

                      (i) the period of 12 months beginning on the first day of the short period, or

                      Cited by 1

                        (ii) the period of 12 months ending at the close of the last day of the short period, if at the end of the 12 months referred to in clause (i) the taxpayer is not in existence or (if a corporation) has theretofore disposed of substantially all of its assets.

                        Cited by 1

                          (C) Application for benefits Application for the benefits of this paragraph shall be made in such manner and at such time as the regulations prescribed under subparagraph (D) may require; except that the time so prescribed shall not be later than the time (including extensions) for filing the return for the first taxable year which ends on or after the day which is 12 months after the first day of the short period. Such application, in case the return was filed without regard to this paragraph, shall be considered a claim for credit or refund with respect to the amount by which the tax is reduced under this paragraph.

                          (D) Regulations The Secretary shall prescribe such regulations as he deems necessary for the application of this paragraph.

                          Amended 1976
                          • 1976 Pub. L. 94-455 Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.
                          Cited by 1

                            (3) Modified taxable income defined For purposes of this subsection the term “modified taxable income” means, with respect to any period, the gross income for such period minus the deductions allowed by this chapter for such period (but, in the case of a short period, only the adjusted amount of the deductions for personal exemptions).

                            Amended 1978

                            (c) Adjustment in deduction for personal exemption In the case of a taxpayer other than a corporation, if a return is made for a short period by reason of subsection (a)(1) and if the tax is not computed under subsection (b)(2), then the exemptions allowed as a deduction under section 151 (and any deduction in lieu thereof) shall be reduced to amounts which bear the same ratio to the full exemptions as the number of months in the short period bears to 12.

                            Cited by 5

                              (d) Adjustment in computing minimum tax and tax preferences If a return is made for a short period by reason of subsection (a)—

                              Amended 1960, 1969, 1976, 1978, 1986
                              • 1986 Pub. L. 99-514 Pub. L. 99–514, § 701(e)(3), substituted “and tax preferences” for “for tax preferences” in heading and amended text generally. Prior to amendment, subsec. (d) read as follows: “If a return is made for a short period by reason of subsection (a), then—

                                “(1) in the case of a taxpayer other than a corporation, the alternative minimum taxable income for the short period shall be placed on an annual basis by multiplying that amount by 12 and dividing the result by the number of months in the short period, and the amount computed under paragraph (1) of section 55(a) shall be the same part of the tax computed on the annual basis as the number of months in the short period is of 12 months; and

                                “(2) the $10,000 amount specified in section 56 (relating to minimum tax for tax preferences), modified as provided by section 58, shall be reduced to the amount which bears the same ratio to such specified amount as the number of days in the short period bears to 365.”

                              • 1978 Pub. L. 95-600 Pub. L. 95–600, § 421(e)(2), substituted “Adjustment in computing minimum tax for tax preferences” for “Adjustment in exclusion for computing minimum tax for tax preferences” in heading, redesignated existing provisions as par. (2) and as so redesignated applied par. (2) to corporations, and added par. (1).
                              • 1976 Pub. L. 94-455 Pub. L. 94–455, § 301(e), substituted “$10,000” for “$30,000”.
                              • 1969 Pub. L. 91-172 Pub. L. 91–172 added subsec. (d) and redesignated former subsec. (d) as (e).
                              • 1960 Pub. L. 86-779 Pub. L. 86–779 added par. (5).
                              Cited by 3

                                (1) the alternative minimum taxable income for the short period shall be placed on an annual basis by multiplying such amount by 12 and dividing the result by the number of months in the short period, and

                                (2) the amount computed under paragraph (1) of section 55(a) shall bear the same relation to the tax computed on the annual basis as the number of months in the short period bears to 12.

                                Amended 1980
                                • 1980 Pub. L. 96-222 Pub. L. 96–222 struck out “in the case of a corporation,” before “the $10,000 amount”.

                                (e) Cross references For inapplicability of subsection (b) in computing—

                                Amended 1969, 1976, 1980, 1983, 2004
                                • 2004 Pub. L. 108-357 Pub. L. 108–357 redesignated pars. (4) and (5) as (3) and (4), respectively, and struck out former par. (3) which read as follows: “Undistributed foreign personal holding company income, see section 557.”
                                • 1983 Pub. L. 97-448 Pub. L. 97–448 substituted “section 1398(d)(2)(E)” for “section 1398(d)(3)(E)”.
                                • 1980 Pub. L. 96-589 Pub. L. 96–589 inserted cross reference to section 1398(d)(3)(E) for returns for a period of less than 12 months in the case of a debtor’s election to terminate a taxable year.
                                • 1976 Pub. L. 94-455 Pub. L. 94–455, § 1607(b)(1)(C), substituted “section 857(b)(2)(C)” for “section 857(b)(2)(D)”.
                                • 1969 Pub. L. 91-172 Pub. L. 91–172 added subsec. (d) and redesignated former subsec. (d) as (e).

                                (1) Accumulated earnings tax, see section 536.

                                (2) Personal holding company tax, see section 546.

                                (3) The taxable income of a regulated investment company, see section 852(b)(2)(E).

                                Amended 2004
                                • 2004 Pub. L. 108-357 Pub. L. 108–357 redesignated pars. (4) and (5) as (3) and (4), respectively, and struck out former par. (3) which read as follows: “Undistributed foreign personal holding company income, see section 557.”

                                (4) The taxable income of a real estate investment trust, see section 857(b)(2)(C).

                                Amended 2004
                                • 2004 Pub. L. 108-357 Pub. L. 108–357 redesignated pars. (4) and (5) as (3) and (4), respectively, and struck out former par. (3) which read as follows: “Undistributed foreign personal holding company income, see section 557.”

                                For returns for a period of less than 12 months in the case of a debtor’s election to terminate a taxable year, see section 1398(d)(2)(E).