Option 1: Sign in to
your eFile.com account, modify your Return and download/print the DE PIT-RES (resident) or DE PIT-NON (nonresident) under
My Account. Mark the check box "Amended Return" sign the form and mail it to one of the addresses listed below.
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
PIT-RES or
PIT-NON (nonresident) - Print, Mail the Form to DE Tax Department to:
If you are a resident and you are expecting a refund, mail to:Delaware Division of Revenue
PO Box 8710
Wilmington, DE 19899-8710
If you are a resident and you are attaching payment, mail to:Delaware Division of Revenue
PO Box 508
Wilmington, DE 19899-0508
If you are a nonresident and you are expecting a refund, mail to:Delaware Division of Revenue
PO Box 8710
Wilmington, DE 19899-8710
If you are a nonresident and you are attaching payment, mail to:Delaware Division of Revenue
PO Box 508
Wilmington, DE 19899-0508
If you neither owe any tax nor expect a refund, regardless of your residency status, mail to:Delaware Division of Revenue
P.O. Box 8711
Wilmington DE 19899-8711