Okla. Admin. Code § 240:10-3-34
The amount of claimant's income tax deduction will be calculated as a percentage of the gross weekly benefit amount due the claimant, before any other deductions are made. The percentages to be used in this calculation are specified in 40 O.S. Section 2-305.
Added at 14 Ok Reg 2905, eff 7-11-97