Does Oklahoma require state 1099 tax filing?
Yes, Oklahoma requires state 1099 filing if state tax is withheld.
Does Oklahoma participate in Combined Federal/State Filing?
Yes, Oklahoma participates in Combined Federal/State Filing. If you utilize CF/SF when filing your 1099s, the IRS will forward the information to the Oklahoma Tax Commission and you will not have to do so yourself.
Form 1099-NEC must be filed directly with the state of Oklahoma, regardless of participation in the CF/SF program.
What is the responsible state agency?
2501 N. Lincoln Blvd.
Oklahoma City, OK 73194
(405) 521-3160