New York State Department of Taxation and Finance fax numbers
Each number below is copied from an official New York State Department of Taxation and Finance page or form, with a link to the source and the date we verified it.
- New York Form CMS-1-MN fax (conciliation conference)
Where to fax Form CMS-1-MN, Request for Conciliation Conference, to the New York State Tax Department's Bureau of Conciliation and Mediation Services.
- Bureau of Conciliation and Mediation Services 518-435-8554
Verified October 22, 2026
- New York Form DTF-911 fax number (Taxpayer Rights Advocate)
Where to fax Form DTF-911, Request for Assistance from the Office of the Taxpayer Rights Advocate, to the New York State Tax Department.
- Office of the Taxpayer Rights Advocate 518-435-8532
Verified October 22, 2026
- New York Form ET-14 fax number (estate tax POA)
Where to fax Form ET-14, Estate Tax Power of Attorney, to the New York State Tax Department's POA Central Unit.
- NYS Tax Department POA Central Unit (estate tax) 518-435-8406
Verified October 21, 2026
- New York Form POA-1 fax number
Where to fax Form POA-1, Power of Attorney, and other acceptable power of attorney documents to the New York State Tax Department's POA Central Unit.
- NYS Tax Department POA Central Unit 518-435-8617
Verified October 21, 2026
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