Foreign Filer Transmitter Control Code (TCC) Registration System Support

System support is available for the Foreign Filer TCC Registration, including recovering a forgotten foreign filer ID, login problems, error messages, and other technical issues. Help is available by phone or email.

When contacting the IRS for assistance with a forgotten foreign filer ID, have the following information ready:

• Firm’s/Organization's legal name.
• Your name and role with the firm/organization.
• The business email address associated with your role.

Support by phone

Telephone support is available 6:30 a.m. to 6:30 p.m. (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).

Email us

Instead of calling, you can get help using the form below. A response will be provided within 2 to 3 business days. If you have a spam blocker enabled, be sure you can receive email from the IRS.gov domain.

Please note: When completing this form, do not provide any personal identification information such as taxpayer identification number, Social Security number, address, or telephone number.