State Electronic Filing Guide

Contact Information:

Oklahoma Tax Commission
Joan Korthanke, Coordinator
Electronic Filing
P.O. Box 26890
Oklahoma City, OK - 73126-0890
Phone: 405-521-3637 or 405-522-5723 or 800-522-8165 ext. 13637
Fax: 405-522-2072 or 405-522-1711
Tax Refund Inquiries: 405-521-3160 or 800-522-8165 ext. 13160
State Guide Details:

Grace Period : 10 days
E-filing Mandate : Must e-file if preparing more than 10 returns (follows IRS electronic filing mandate)
Form for opting out of mandate : No
Federal and State E-files Can Be Linked : Yes
State Can Be E-filed Separately : A federal return must be e-filed concurrently with the state return, or have a previously accepted federal return
Return Types Accepted Electronically :
Resident : Yes
Part Year Resident : Yes
Non-Resident : Yes
Amended : No
Estimate Payments : Yes
Extension : No
Additional Return Types :
Accepts Returns With : Refund, Zero Balance, Balance Due
Direct Deposit of Refunds : Yes
Payment of Balance Due by :
Electronic Funds Withdrawal (Direct Debit) : Yes
Credit Card : Yes
Online ePayment : Yes
Signature Requirements : ERO retains 511-EF for 3 years
Accepts eSignature : Yes
Supports PDF attachments : Yes
Tax year(s) supported for e-filing : Current tax year and two prior tax years
Drivers License or State ID Required : If your client was issued a driver’s license or state identification card, provide the requested information from it or indicate there is no applicable identification provided. An individual return cannot be filed electronically with the state if you do not provide a response on federal Screen IDAuth.
Average Refund Time :
E-filed Return : 5 business days
Paper Return : 6-8 weeks
Application Requirements : Automatically accepts IRS approval
Special Considerations : See Electronic Filer Handbook

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