Okla. Admin. Code § 340:2-31-31
Added at 9 Ok Reg 877, eff 1-17-92 (emergency); Added at 9 Ok Reg 1013, eff 7-13-92 ; Amended at 14 Ok Reg 556, eff 12-12-96 (emergency); Amended at 14 Ok Reg 1304, eff 5-12-97 ; Amended at 19 Ok Reg 2662, eff 7-11-02 ; Amended at 24 Ok Reg 1012, eff 5-11-07 ; Amended at 30 Ok Reg 1344, eff 7-1-13