You can prepare an Oregon Tax Amendment for the
current tax year here on eFile.com; the amendment
can not be e-filed. After you have prepared the amendment, download the PDF from your My Account, check the box and mail in the form to the address listed below. For other tax years complete the form below before you print, sign and mail in the form.
Option 1: Sign into
your eFile.com account, modify your Return and download/print OR Form 40, 40-N, or 40-P under
My Account.
Check the Amended return." on the upper left corner of the form to report that it's a tax amendment.
Option 2: If you don't have an eFile.com account follow the step by step
instruction on how to prepare a tax return/amendment.
Option 3: If you want to do the math on your own paper return then complete, sign
OR Form 40 (residents),
40-N (nonresidents), or
40-P (part-year residents) - Print, Mail the Form to OR Department of Revenue:
Refund or No Tax Payment Amended Tax ReturnREFUND
PO Box 14700
Salem OR 97309-0930
Tax Payment Amended Tax ReturnOregon Department of Revenue
PO Box 14555
Salem OR 97309-0940