This version of the form is not currently in use and is provided for reference only. Download this version of Instructions for Form NJ-1040X for the current year.
This document contains official instructions for Form NJ-1040X , New Jersey Amended Resident Income Tax Return - a form released and collected by the New Jersey Department of the Treasury. An up-to-date fillable Form NJ-1040X is available for download through this link.
Q: What is Form NJ-1040X?
A: Form NJ-1040X is the New Jersey Amended Resident Income Tax Return.
Q: Who should use Form NJ-1040X?
A: Residents of New Jersey who need to make changes or corrections to their original New Jersey income tax return should use Form NJ-1040X.
Q: When should I file Form NJ-1040X?
A: You should file Form NJ-1040X as soon as possible after you discover an error or omission on your original New Jersey income tax return.
Q: Can I e-file Form NJ-1040X?
A: No, Form NJ-1040X can only be filed by mail.
Q: Do I need to include documentation with Form NJ-1040X?
A: Yes, you should include any necessary documentation to support the changes you are making on Form NJ-1040X.
Q: What if I owe additional taxes after filing Form NJ-1040X?
A: If you owe additional taxes after filing Form NJ-1040X, you should include payment with your amended return.
Instruction Details:
Download your copy of the instructions by clicking the link below or browse hundreds of other forms in our library of forms released by the New Jersey Department of the Treasury.