Forms you can e-file

The Oklahoma Tax Commission lets you file the following C Corporation, S Corporation, consolidated and amended returns electronically.
  • Form 506
  • Form 511CR
  • Form 512
  • Form 512-FT
  • Form 512-S
  • Form 512-TI
  • Form 561C
  • Form 561S
You can include electronic funds withdrawal information for estimated payments with Form 512 and 512-S. Other forms will be attached as PDFs.
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