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Form 637 (Rev. April 2022). Application for Registration (For Certain Excise Tax Activities)-2026
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- Click ‘Get Form’ to open it in the editor.
- Begin with Part I, where you will enter your legal name, Employer Identification Number (EIN), and contact details. Ensure all information is accurate to avoid processing delays.
- In Part II, list the activity letters corresponding to your registration needs along with a brief description of each activity. Refer to the chart on pages 2–4 for guidance.
- Proceed to Section A in Part III. Answer all questions thoroughly, attaching additional sheets if necessary. Clearly label each sheet with your name and EIN.
- If applicable, complete Section B for fuel applicants by detailing any ownership changes in the past two years.
- Finally, review your entries for accuracy before signing and dating the form at the bottom of Page 6. Submit via fax or mail as instructed.
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637 registration lookup
A copy of Form 637 or letter from IRS reflecting registration # must be attached. IT IS UNDERSTOOD THAT THE EXEMPTION FROM TAX IN THE CASE OF SALES OF ARTICLESRead more
Mar 31, 2026 Use this form to apply for excise tax registration for activities under sections 4101, 4222, 4662, and 4682.Read more