State of New Jersey APPLICATION FOR EXTENSION OF 2026

1. Click ‘Get Form’ to open the NJ-630 application in the editor.
2. Begin by filling out your Social Security number at the top of the form. If you are filing for an estate or trust, use the FEIN instead.
3. Enter your last name, first name, and initial in the designated fields.
4. Provide your home address, including street number, apartment number (if applicable), city, state, and ZIP code.
5. Indicate which return you are requesting an extension for by checking the appropriate box: NJ-1040, NJ-1040NR, NJ-1080C, NJ-1041, or NJ-1041SB.
6. Specify the length of the extension you are requesting and write down the new due date for filing your return.
7. If applicable, enter the amount of payment you are submitting with this application.
8. Once completed, detach at the perforation and ensure all information is accurate before mailing it to the address provided on the form.

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