This is archived information that pertains only to the 2006 Tax Year. If you
are looking for information for the current tax year, go to the Tax Prep Help Area.
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For corporations affected by Hurricane Katrina, the original due dates for 2006 estimated tax payments due April 15, 2006,
June 15, 2006,
and September 15, 2006, were extended to October 16, 2006.
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Corporations with assets of $1 billion or more were required to make estimated payments by applying special rules to determine
the
installment amounts for certain dates. See Exception for corporations with assets of $1 billion or more on page 2.">
Corporations (including S corporations), tax-exempt organizations subject to the unrelated business income tax (tax-exempt
organizations), and
private foundations use Form 2220 to determine:
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Whether they are subject to the penalty for underpayment of estimated tax and, if so,
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The amount of the underpayment penalty for the period that applies.
Generally, the corporation does not have to file this form with its income tax return because the IRS will figure the amount
of any penalty and
notify the corporation of any amount due. However, even if the corporation does not owe a penalty, complete and attach this
form to the corporation's
tax return if the Part I, line 3 amount on page 1 is $500 or more and any of the following apply.
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The adjusted seasonal installment method is used.
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The annualized income installment method is used.
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The corporation is a large corporation (as defined in the instructions for Part II, line 8, on page 2) figuring its first
required
installment based on the prior year's tax.
Who Must Pay the Underpayment Penalty
Generally, a corporation is subject to the penalty if it did not timely pay at least the smaller of:
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The tax shown on its 2006 return, or
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The tax shown on its 2005 return (if it filed a 2005 return showing at least some amount of tax and the return was for a full
12 months).
However, a large corporation can base only its first required installment on the prior year's tax.
In these instructions, “return” generally refers to the corporation's original return. However, an amended return is considered the original
return if the amended return is filed by the due date (including extensions) of the original return.
The penalty is figured separately for each installment due date. Therefore, the corporation may owe a penalty for an earlier
due date even if it
paid enough tax later to make up the underpayment. This is true even if the corporation is due a refund when its return is
filed. However, the
corporation may be able to reduce or eliminate the penalty by using the annualized income installment method or the adjusted
seasonal installment
method. See the Part II instructions for details.
A corporation will not have to pay a penalty if the tax shown on the corporation's 2006 return (the Part I, line 3 amount)
is less than $500.
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Complete lines 1 through 3 of Part I. If line 3 is $500 or more, complete the rest of Part I to determine the required annual
payment and go
to Part II.
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Check one or more boxes in Part II if the corporation uses the adjusted seasonal installment method, the annualized income
installment
method, or if the corporation is a large corporation.
If the corporation checked a box in Part II, attach Form 2220 to the income tax return. Be sure to check the box on line
33, page 1 of Form 1120;
line 29 of Form 1120-A; or the comparable line of any other income tax return the corporation is required to file (for example,
Form 1120-C, 1120-L,
1120S, etc.).
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Complete Part III to determine the underpayment for any of the installment due dates.
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If there is an underpayment in Part III on line 17 (column (a), (b), (c), or (d)), go to Part IV to figure the penalty.
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Complete Schedule A if the corporation uses the adjusted seasonal installment method and/or the annualized income installment
method.
