1120 Washington DC 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.
Office of Tax and Revenue
PO Box 96166
Washington, DC 20090-6166
Phone
: 202-727-4829

State electronic filing details

E-filing information
Details
Grace period
5 days
E-filing mandate
No
Accepts state-only filings
N/A - No federal XML is needed
Return types accepted
C Corporation
S Corporation
Consolidated
Combined
Amended
Estimate Payments (filed separate from return)
Extension
Return types not accepted
Composite
Financial
Direct deposit of refunds
No
Accepted forms of payment
Direct debit (EFW)
Electronic funds transfer (EFT)
Check
Signature requirements
PIN is not allowed as signature.
Supports PDF attachments
Yes
Tax year(s) supported for e-filing
Current tax year and prior year
Special considerations
N/A
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