Employers in Oklahoma must comply with these state rules relating to payroll tax reporting and filing information returns.
Statements to Employees: Federal Form W-2 by January 31 or within 30 days of last payment of wages
Information Returns: Form 500 for each individual who is paid $750 or more during the year and such payments are not subject to withholding; summary Form 501. Both forms generally due February 28. Federal Forms 1099 and 1096 may be used instead.