Okla. Admin. Code § 300:20-1-4
Added at 21 Ok Reg 2969, eff 7-25-04 ; Amended at 22 Ok Reg 1682, eff 12-20-04 (emergency) ; Amended at 22 Ok Reg 2359, eff 7-11-05 ; Amended at 23 Ok Reg 1323, eff 5-25-06 ; Amended at 25 Ok Reg 2381, eff 7-11-08 ; Amended at 27 Ok Reg 1796, eff 6-25-10 ; Amended at 30 Ok Reg 1116, eff 6-27-13