References References. 1  Berlucchi M, Nicolai P. Marshallâs syndrome or PFAPA (periodic fever, aphthous stomatitis, pharyngitis, cervical adenitis) syndrome. 2  Ovetchkine P, Bry ML, Reinert P. [Marshall syndrome: results of a retrospective national survey].. 3  Kurtaran H, KaradaÃ° A, Catal F, AktaÃ¾ D. PFAPA syndrome: a rare cause of periodic fever.
Each state has at least one Local Taxpayer Advocate who is independent of the local IRS office and reports directly to the National Taxpayer Advocate. Select your state on the map below to find the phone number and address of the Taxpayer Advocate Service office nearest you. You can also call this toll-free number to find out if TAS can help you: 1-877-777-4778. If you qualify for our help, we'll do everything we can to get your problem resolved.
Business Taxpayer IRS Phone Numberâ 1-800-829-4933 â This number again can be used to address some of the same examples given above with the individual taxpayer line.However, this is solely for businesses.perational Hours: This number is valid from 7am to 10pm within your local time zone. IRS Phone Number for Taxpayers Living Abroad (International) â If you are calling about an issue with filing electronically contact the Austin Office at 512-416-7550 (7am to 6pm CST)..