I received additional W2. Can I file it next year since my return was already accepted? It was approximately 5,000 wages but hardly any taxes withheld?

[ModestaL · Accepted solution]

No, you can't combine tax years; you must report all of your income. If you have already e-filed or mailed the return and they accept it, then you will need to wait until you have received your refund. Then, you will need to amend that return to make changes (add your additional W-2). You will need to send in any forms that caused the need for an amendment (Original 1040 Form, new 1040X Form and additional W-2). Print, sign and mail your forms to the IRS.

Click here for instructions for amending a return.