To receive proper credit, you must enter your correct Employer Identification Number on your declaration and remittance.
Reporting corporation: in the case of a combined group subject to the Business Corporation Tax, the reporting corporation is the designated agent of the group.
Amendments: an amended form should be filed, if necessary, to correct the tax estimate and related payments. Use Form NYC-400 for the amendment.
Electronic filing: register for electronic filing to file a declaration and an extension and pay taxes on-line.
| Question | Answer |
|---|---|
| Form Name | NYC-400 |
| Form Length | 2 pages |
| Fillable? | No |
| Fillable fields | 0 |
| Avg. time to fill out | 6 min |
| Edition | 2026 |
| Where to send | NYC Department of Finance, PO Box 3922, New York, NY 10008-3922 |
| Matches the agency's file | Yes, checked October 2, 2026 |
| Other names | NYC-400, NYC400, NYC 400, Form NYC-400, NYC-400 form, Estimated Tax by Business Corporations |
| Official source | NYC-400 (Rev 2026), New York City Department of Finance |
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