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US Tax Court Fax Number — Fax Court Filings and Documents

The United States Tax Court in Washington, DC lists a fax number of 202-521-0011 for its Clerk's Office. The Tax Court now runs DAWSON, its electronic filing system, and represented parties are expected to file petitions, motions, and briefs through it rather than by fax. Use the fax line for correspondence with the Clerk's Office, and check the Tax Court Rules of Practice and Procedure before assuming any document can be lodged this way.

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US Tax Court Fax Number

202-521-0011

Hours: Clerk's office typically operates Monday-Friday, 8:30 AM - 5:00 PM local time. Fax machines may accept outside these hours.

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What You Can Fax to US Tax Court

  • Motions and briefs
  • Case correspondence
  • Emergency filings
  • Attorney appearance forms
  • Settlement documents
Tip: Write the docket number on every page so the Clerk's Office can attach your fax to the correct case. Since the Tax Court moved filing onto DAWSON, fax is best treated as a backup for correspondence rather than a route for petitions or motions, which the Rules expect electronically. Confirm with the Clerk's Office at 202-521-0011 what they will accept before sending a time-sensitive document, and keep the Send FAX Mail confirmation as evidence of the transmission date.

Faxing to US Tax Court — FAQ

The Clerk's Office of the United States Tax Court lists 202-521-0011 as its fax number. Confirm with the Clerk's Office what may be sent by fax, since most filings now go through DAWSON.

Petitions are filed electronically through DAWSON or on paper under the Tax Court Rules, not by fax. The fax line is intended for correspondence with the Clerk's Office rather than formal filing.

Because the Tax Court directs filings through DAWSON and paper submission, a fax generally does not satisfy a filing deadline on its own. Check the Rules and contact the Clerk's Office before relying on fax for anything time-sensitive.

Send FAX Mail gives you a delivery confirmation with the date and time 202-521-0011 received your pages. Retain it as a record, and include the docket number on every page so the fax is matched to your case.

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