Information For...

For you and your family
Standard mileage and other information

Forms and Instructions

Individual Tax Return
Itemized Deductions
Application for Automatic Extension of Time
Request for Taxpayer Identification Number (TIN) and Certification


Single and Joint Filers With No Dependents
Employer's Quarterly Federal Tax Return
Employee's Withholding Allowance Certificate
Request for Transcript of Tax Return

Popular For Tax Pros

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

Other Third Party Authorization

There are other types of third party authorizations available.

  • Third Party Designee authority is limited to the specific tax form and period of the return, and is limited to issues involving processing of that specific return.  This authority will expire one year from the due date of the return regardless of any extension dates.
  • Oral Tax Information Authorization is the verbal equivalent of Form 8821 and is valid until revoked or withdrawn. It is recorded on the Centralized Authorization File (CAF) upon the taxpayer’s request by calling (800) 829-1040.
  • Oral Disclosure Consent is a tax information authorization limited to specific notices and oral disclosure only. It is not recorded on the Centralized Authorization File (CAF). It is recorded directly on the account when requested by calling (800) 829-1040.
  • Publication 4019 (PDF) 

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