Credit for prior year minimum tax liability
Allowance of credit
Minimum tax credit
For purposes of subsection (a), the minimum tax credit for any taxable year is the excess (if any) of—
the adjusted net minimum tax imposed for all prior taxable years beginning after 1986, over
the amount allowable as a credit under subsection (a) for such prior taxable years.
Limitation
The credit allowable under subsection (a) for any taxable year shall not exceed the excess (if any) of—
the regular tax liability of the taxpayer for such taxable year reduced by the sum of the credits allowable under subparts A, B, D, E, and F of this part, over
the tentative minimum tax for the taxable year.
Definitions
For purposes of this section—
Net minimum tax
In general
Credit not allowed for exclusion preferences
Adjusted net minimum tax
The adjusted net minimum tax for any taxable year is—
the amount of the net minimum tax for such taxable year, reduced by
the amount which would be the net minimum tax for such taxable year if the only adjustments and items of tax preference taken into account were those specified in clause (ii).
Specified items
The following are specified in this clause—
the adjustments provided for in subsection (b)(1) of section 56, and
the items of tax preference described in paragraphs (1), (5), and (7) of section 57(a).
Credit allowable for exclusion preferences of corporations
In the case of a corporation—
the preceding provisions of this subparagraph shall not apply, and
the adjusted net minimum tax for any taxable year is the amount of the net minimum tax for such year.
Tentative minimum tax
AMT term references
Portion of credit treated as refundable
In general
AMT refundable credit amount
For purposes of paragraph (1), the AMT refundable credit amount is an amount equal to 50 percent (100 percent in the case of a taxable year beginning in 2021) of the excess (if any) of—
the minimum tax credit determined under subsection (b) for the taxable year, over
the minimum tax credit allowed under subsection (a) for such year (before the application of this subsection for such year).
Credit refundable
Short taxable years
Source
(Added Pub. L. 99–514, title VII, § 701(b),Notes
References in Text
Prior Provisions
Amendments
Effective Date of 2017 Amendment
In general.—
The amendments made by this section [amending this section and section 1374 of this title] shall apply to taxable years beginning after
Conforming amendment.—
The amendment made by subsection (c) [amending section 1374 of this title] shall apply to taxable years beginning after
Effective Date of 2014 Amendment
Effective Date of 2009 Amendment
Effective Date of 2008 Amendment
In general.—
Except as provided in paragraph (2), the amendments made by this section [amending this section] shall apply to taxable years beginning after
Abatement.—
Section 53(f)(1), as added by subsection (b), shall take effect on the date of the enactment of this Act [