I forgot to claim a deduction on my prior year return. Can I amend prior year return on my return for this year?
You must file an amended 2015 return using Form 1040X.To claim a credit or credits for a deduction or deductions you failed to claim on an already filed return, you must file your 1040X within the later of:
- Three years -- including extensions -- after the date you filed your original return
- Two years after the date you paid your tax
You can’t e-file a 1040X, so you must mail it to the IRS.
Ready to file?
You've got your forms. And we've got your back. There's only one thing left to do. Let's do this.
So how much will you get (or owe) this year? That’s the million-dollar question. We happen to have three very useful calculators to help you estimate your refund or balance due.