The AMT Advisor
Answers to All Your Alternative Minimum Tax Questions

Minimum Tax Credit (MTC)

Background

In calculating alternative minimum taxable income (AMTI), a taxpayer starts
with regular tax adjusted gross income and adds or subtracts from it any AMT
adjustment or preference items. AMT adjustment or preference items can be
split into deferral (temporary items) and exclusion (permanent) items.

Exclusion items: Exclusion items are adjustment or preference items that
affect only one tax year and cause a permanent difference between regular
taxable income and AMTI. For individuals, an example is state and local
income taxes. These taxes are never deductible for AMT purposes, and are
added back to AMT income in the calculation of AMTI in the year they are
paid (or accrued in the case of accrual taxpayers).

Deferral items: Deferral items are adjustment and preference items that
affect more than one tax year. These items cause a difference in regular
taxable income and AMTI in two or more years, but do not cause a permanent
difference over time. This commonly is referred to as a timing difference. All
deferral items cause a timing difference between regular tax and AMT.

For individuals, an example of a deferral item is income from the exercise of
incentive stock options. This income is included in AMTI in the year the
taxpayer exercises the options, but is not included in his regular taxable
income until the year the taxpayer sells the stock he received when he
exercised the options. Assuming that the price of stock is above its price on
the date the taxpayer exercised the options, the amount of income attributable
to the exercise of the incentive stock options that is included in regular taxable
income and AMTI is the same after the stock from the exercise is sold.

This difference in the timing of income and expenses for regular tax and AMT
purposes could work against a taxpayer if the taxpayer is subject to AMT in
the year or years that a deferral item is included in calculating AMTI but is not
subject to AMT in the year or years when the item is included in calculating
regular taxable income. In the case of an income item that is a deferral item,
such as income from the exercise of incentive stock options, the taxpayer
would end up having to pay tax on the income twice in this situation. In the
case of a deduction that is a deferral item, such as post-1986 depreciation,
the taxpayer would lose the benefit of the deduction in both years.

Minimum Tax Credit: To prevent either of these situations from occurring, a
taxpayer is allowed a credit called the Minimum Tax Credit (MTC) when the
taxpayer pays AMT in a year due to a deferral adjustment or preference item.
Although this credit arises due to the payment of AMT, the credit is regular tax
credit and a taxpayer can only use it to offset regular tax. However, until 2013,
in certain cases the credit is refundable.

How the MTC is Calculated

Sec. 53(a) of the Code allows a credit against the regular tax imposed for any
taxable year of an amount equal to the minimum tax credit for that year. Sec.
53(b) states that the minimum tax credit for any taxable year is the excess (if
any) of:

    (1) the adjusted net minimum tax imposed for all prior taxable years
    beginning after 1986, over
    (2) the amount allowable as a credit under subsection (a) for such prior
    taxable years.

Net minimum and adjusted net minimum tax: Per Sec. 53(d)(1)(A), the
net minimum tax for a year is the AMT liability for that year. Per Sec. 53 (d)(1)
(B), the adjusted net minimum tax is:

    (1) the net minimum tax, less
    (2) the net minimum tax calculated taking into account only exclusion
    adjustment and preference items.

  Stated another way, the adjusted net minimum tax amount for a year is the
AMT liability attributable to deferral adjustment and preference items.

Limitation on MTC: A taxpayer may not be able to use all of the minimum tax
credit available in a particular year. The amount of the credit a taxpayer is
allowed to take in a year is limited to:

    (1) The taxpayer’s regular tax liability, less the non-refundable personal
     and business income tax credits, over
    (2) The taxpayer’s tentative minimum tax for the year.

Refundability and carryover of the MTC: The minimum tax credit in
general is not refundable. However, because, per Sec. 53(b), the minimum tax
credit is determined cumulatively, the taxpayer carries forward the amount of
the credit that he cannot use due to the limitation to future tax years. In
addition, as discussed below, for years beginning before 2013, if a taxpayer
has long-term unused minimum tax credits, the taxpayer may be allowed a
refundable minimum tax credit in addition to the non-refundable credit.

Refundable Credit for Long-term Unused MTCs

In tax years before 2013, if a taxpayer has a long-term unused minimum tax
credit, the amount of the minimum tax credit for the year is not less than the
AMT refundable credit amount for the year. The AMT refundable credit
amount for a tax year is the greater of:

    (1) 50 percent of the long-term unused minimum tax credit for such
     taxable year, or
    (2) the amount (if any) of the AMT refundable credit amount for the
    taxpayer's previous tax year.

Long-term unused minimum tax credit: The long-term unused minimum
tax credit for a tax year is the portion of the minimum tax credit attributable to
the adjusted net minimum tax for tax years before the 3rd tax year immediately
preceding the tax year.

    EXAMPLE: X has a minimum tax credit carryforward to 2011 of
    $10,000. $6,000 is attributable to 2007, and $4,000 is attributable to
    2008. He had no long-term AMT refundable credit in 2010. X’s long-
    term unused minimum tax credit is $6,000. Because X’s AMT refundable
    credit in 2010 was not greater than $3,000 (50% of $6,000),  his AMT
    refundable credit for 2011 is $3,000.

    EXAMPLE: Same facts as in the previous example, except that X had
    an AMT refundable credit in 2010 of $4,000. His AMT refundable credit
    in 2011 would be $4,000.

A taxpayer uses long-term unused minimum tax credits on a first-in, first-out
basis.

Interest and Penalties Attributable to the Exercise of Incentive Stock
Options

To provide relief to the many taxpayers who had incurred large liabilities for  
tax, interest, and penalties due to the AMT adjustment for the exercise of
incentive stock options, Congress enacted Sec. 53(f)(1), which allows
abatements of tax, interest, and penalties for some taxpayers and increased
AMT refundable credits based on interest and penalties paid by others.

Abatements: Taxpayers who had outstanding liabilities as of January 1, 2008
for  tax, interest, and penalties due to the AMT adjustment for the exercise of
incentive stock options received an abatement of those liabilities as of
January 1, 2008. To prevent a double tax benefit, the taxpayers who received
an abatement under Sec 53(f)(1) can no longer include the abated taxes in
the minimum tax credit calculation.

Increased AMT refundable credit: Because some taxpayers had
underpayments of tax and related penalties and interest due to the exercise
of incentive stock options in periods before 2008, but had been able to pay
these amounts before January 1, 2008, Sec. 53(f)(2) allowed these taxpayers
to increase their refundable credit amounts in
2008 and 2009 by 50% of the
interest and penalties paid. This, along with the refundable credit for the tax
they had paid, put these taxpayers in the same position as taxpayers who had
their outstanding liabilities abated.


Have a question about the Minimum Tax Credit rules? Click here
to find out how to submit a question to the AMT Advisor.

How to submit a
question to the AMT
Advisor

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What is the AMT?

AMT Adjustments

AMT Preferences

AMT Exemption

AMT Forms

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Alternative
Minimum Tax
Amounts

AMT Rates:
26%, up to Alternative
Minimum Taxable
Income of  $175,000
($87,500 for Married
Filing Separately)

28% on AMTI over
$175,000 ($87,500 for
Married Filing
Separately)

AMT Exemption
Amounts Before
Phase-Out:

Taxpayers Filing
Single or Head of
Household :
2007 - $44,350
2008 - $46,200
2009 - $46,700
2010 - $47,450
2011 - $48,450

Married Filing
Jointly or Qualifying
Widower:
2007 - $66,250
2008 - $69,950
2009 - $70,950
2010 - $72,450
2011 - $74,450

Married Filing
Separately:
2007 - $33,125
2008 - $34,975
2009 - $35,475
2010 - $36,225
2011 - $37,225

AMT Exemption
Phase-Out
Thresholds:

The AMT exemption is
reduced by 25% of the
amount that alternative
minimum taxable
income exceeds for:

Single or Head of
Household
- $112,500

Married Filing Jointly or
Qualifying Widowers
-
$150,000

Married Filing
Separately
- $75,000

AMT Exemption for
Children Under 18  
(Kiddie AMT)

For 2007
The lesser of $44,350
or the child's earned
income plus $6,300

For 2008
The lesser of $46,200
or the child's earned
income plus $6,400

For 2009
The lesser of $46,700
or the child's earned
income plus $6,700

For 2010
The lesser of $47.450
or the child's earned
income plus $6,700

For 2011
The lesser of $48,450
or the child's earned
income plus $6,800