1120 Maryland 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.

Revenue Administration Div
Electronic Processing Section 110 Carroll St Annapolis, MD 21411-0001

Email
: efil@comp.state.md.us Phone
: 410.260.7753

Grace period	5 days for re-efiling. 10 days for paper filing the returns.
E-filing mandate	If business credits are claimed.
Accepts state-only filings	Yes
Return types accepted	C Corporation S Corporation Amended Estimate Payments (separate e-file for each payment) Extension Consolidated
Return types not accepted	Composite Withholding Returns with 52/53 week years Returns with POA currently in effect for the refund to go to a third party.
Direct deposit of refunds	Yes, but not for amended returns
Accepted forms of payment	Direct debit (not for amended returns) Electronic funds transfer (EFT) Credit card
Signature requirements	ERO retains signed EL101B for 3 years
Supports PDF attachments	Yes
Tax year(s) supported for e-filing	Current tax year and two prior tax years
Special considerations	You must make payments that are $10,000 or more electronically.