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Taxpayer Advocate

Taxpayer Advocate

Unresolved Tax Matters

If you have tried to resolve a tax problem but it has not been resolved in a timely manner or if an IRS action is causing you a significant hardship, you may contact the International Taxpayer Advocate (TAS) by phone, fax or mail:

Phone: Taxpayer Advocate Service (TAS) Case Intake Line where you can see if you are eligible.
[+1] (877) 777-4778 (toll free in US only) or
[+1] (787) 622-8940 (English - not toll free)
[+1] (787) 622-8930 (Spanish - not toll free)

Fax: [+1] (787) 622-8933

Mail: Internal Revenue Service
ATTN: Taxpayer Advocate Office
San Patricio Office Building
7 Tabonuco Street, Room 200
Guaynabo, Puerto Rico 00966

For more information on TAS, please see Publication 1546 (PDF- 508kb) or the Taxpayer Advocate website.

Contacting the IRS

  • Internal Revenue Service
    U.S. Embassy
    24 Grosvenor Square
    London W1K 6AH

    Phone:  [44] (0)20 7894-0477
    Fax:      [44] (0)20 7495-4224