Dof 1 form 2026

1. Click ‘Get Form’ to open the DOF-1 Change of Business Information form in the editor.
2. In Section I, check the box(es) corresponding to the business tax records that need updating. This includes options like General Corporation Tax and Commercial Rent Tax.
3. Proceed to Section II, where you will enter your old information. Fill in your Entity ID (EIN or SSN), Trade Name, Legal Name, Business Telephone Number, and Business Address.
4. Next, provide the new information in the designated fields. Ensure you include the effective date for these changes.
5. Indicate your Entity Type by checking the appropriate box: Individual, Partnership, or Corporation.
6. Finally, sign and date the form at the bottom. Make sure to attach any required documents before submitting it to the NYC Department of Finance.

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