1040 Delaware electronic filing information

State contact information

If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
Division of Revenue - Coordinator
820 N. French Street Wilmington, DE 19801
revenue.delaware.gov/
Email
: james.stewart@state.de.us
Phone
: 302.577.8170
Tax Refund Inquiries
: 302.577.8200 or 866.276.2353

State electronic filing details

Grace period
48 hours
E-filing mandate
No
Accepts state-only filings
Yes
Return types accepted
Resident
Part-year resident
Nonresident
Extension
Amended
Return types not accepted
Estimate payments
Accepts returns with these conditions
Refund
Zero balance
Balance due
Direct deposit of refunds
Yes
Accepted forms of payment
Direct debit (EFW)
Credit card
Online ePayment
Signature requirements
None
Supports PDF attachments
Yes
Tax year(s) supported for e-filing
Current tax year and two prior tax years
Special considerations

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