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

International Data Exchange Service (IDES) Customer Support

The IDES Help Desk assists authorized users with questions related to IDES, such as:

  • Enrollment
  • Adding and Disabling Users
  • File Uploads and Downloads
  • Usernames
  • Password Resets
  • Metadata
  • Alert Codes and Preferences

For data preparation questions, please review IDES FAQs for more information.  

The IDES customer support team cannot respond to tax law questions regarding FATCA regulations or instructions to prepare Form 8966.

How to Contact IDES:

IDES Customer Support:
1-800-613-IDES (4337) or 605-271-0311
Hours: Monday - Friday, 8:00 a.m. to 5:00 p.m. in your time zone, except U.S. federal holidays.