Federal Mailing Instructions:
Include the following with your federal return:
1. All federal forms and schedules (no worksheets)
2. Any forms that show tax withholding
If you're not enclosing a payment -
Department of the Treasury
Internal Revenue Service
Kansas City, MO 64999-0002
If you're enclosing a payment -
Internal Revenue Service
PO Box 931000
Louisville, KY 40293-1000
Delaware Mailing Instructions
Include the following with your Delaware return:
1. All forms and schedules of DE tax return (no worksheets)
2. Any forms that show withholding
3. Pages 1 & 2 of federal Form 1040
Refund:
Delaware Division of Revenue
PO Box 8710
Wilmington, DE 19899-8710
Balance Due:
Delaware Division of Revenue
PO Box 508
Wilmington, DE 19899-0508
Zero (no balance due, no refund):
Delaware Division of Revenue
PO Box 8711
Wilmington, DE 19899-8711
