1065 Oklahoma 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.

Oklahoma Tax Commission

PO Box 269060

Oklahoma City, OK 73126-9060

Website
: oklahoma.gov/tax.html

Email
: efile@tax.ok.gov

Phone
: 405-521-3637 or 405-522-5723 or 800-522-8165 ext. 13637

E-filing information	Details
Grace period	10 days
E-filing mandate	No
Accepts state-only filings	Yes - Attach the federal XML created for this State (Default) - Only Federal e-file validation errors have to be cleared. E-file Reject Diagnostics do not have to be cleared
Return types accepted	Partnership Amended Composite (part of main return)
Return types not accepted	Composite Extension Extension Estimate Payments
Direct deposit of refunds	No
Accepted forms of payment	Direct debit (EFW) Check by mail
Signature requirements	ERO retains signed Form EF for 3 years. PIN is not allowed as signature.
Supports PDF attachments	Yes
Tax year(s) supported for e-filing	Current tax year and two prior tax years
Special considerations	N/A