Information For...

For you and your family
Standard mileage and other information

Forms and Instructions

Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return


Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

Popular For Tax Pros

Amend/Fix Return
Apply for Power of Attorney
Apply for an ITIN
Rules Governing Practice before IRS

Correction period: Excess business holdings

The correction period begins on the first day that the foundation has excess business holdings and ends 90 days after a notice of deficiency for the additional tax is mailed.

This period is extended by any period during which a deficiency cannot be assessed or because of pending Tax Court proceedings. In addition, the correction period may be extended by any other period the Service determines is reasonable and necessary.

Additional information


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