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

Financial Institution (FI) Technical Support

System Support for the online Foreign Account Tax Compliance ACT (FATCA) Registration, including help with login problems, error messages, and other technical issues.

When contacting the IRS for assistance with a forgotten FATCA ID the following information is needed:

  • Financial institution legal name.
  • Your name and role with the financial institution.
  • The business email address associated with your role.

Note: Access Code reset is unavailable for email delivery. Please use the telephone numbers below for assistance during the support hours.

Caution: If you have tax law related questions regarding the FATCA Registration Process, please refer to Information about the Foreign Account Tax Compliance Act (FATCA).  The system support page cannot respond to tax law questions regarding the FATCA regulations.

Telephone support is available 6:30 a.m. to 6:30 p.m. (US Central Time), Monday through Friday. From the United States of America, call toll free at 866-255-0654 from outside the United States of America, you may call us at 512-416-7750 (not toll free).