three years
You can amend your return at any time, but to claim a refund, the amended return must be filed within three years from the original due date of the return or two years from the time the tax was paid, whichever is later.

Can I file an amended 2014 tax return?

Amended returns for tax year 2014 should be filed no later than April 17, 2018, to claim a refund. You can file the amended returnwithin two years from the date you paid the tax if that date is later. Amended returns are filed if an error or omission occurred on the original return.

Can I still get a stimulus check if I amend my taxes?

However many don’t want to wait till next year to get their stimulus check. The good news is you can modify or amend your tax return so that your refund check gets paid sooner rather than later. And the IRS just announced this summer that you can do this online via eForm 1040X (don’t file another 1040 standard return).

How to amend Your New Jersey income tax return?

If you need to change or amend an accepted New Jersey State Income Tax Return for the current or previous Tax Year, you need to complete Form NJ-1040X (residents) or Form NJ-1040NR (nonresidents and part-year residents). Forms NJ-1040X and NJ-1040NR are Forms used for the Tax Amendment.

What kind of tax return do I need to file in NJ?

File Form NJ-1040X for the appropriate year. You must file a paper Form NJ-1040X, whether your original return was filed electronically or on paper. Include an explanation of the changes in the space provided on page three of the return. Nonresidents.

How to claim a tax refund in New Jersey?

Claim for Refund of Estimated Gross Income Tax Payment Required on the Sale of Real Property Located in New Jersey, under the provisions of C.55, PL 2004 Nonresident Seller’s Tax Declaration

How to file a NJ 1040 for a nonresident?

File Form NJ-1040X for the appropriate year. Include an explanation of the changes in the space provided on page three of the return. Nonresidents. We do not have a separate amended form for nonresidents. File Form NJ-1040NR for the appropriate year, and write the word “Amended” in bold letters in the upper right hand corner of the return.