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.
Verified October 22, 2026Checked against Form CMS-1-MN, Request for Conciliation Conference (Tax.NY.gov).
| Who uses it | Office | Fax |
|---|---|---|
| Requests for a conciliation conference about a department notice | Bureau of Conciliation and Mediation Services | 518-435-8554 |
Before you fax
- Submit the request by the deadline on your notice. The page says a technology failure or an unavailable fax does not extend the deadline.
- Respond onlineThe page recommends Online Services, Respond to department notice.