Added at 16 Ok Reg 1895, eff 6-11-99; Revoked and reenacted at 19 Ok Reg 45, eff 8-17-01 (emergency); Revoked and reenacted at 19 Ok Reg 1027, eff 6-1-02; Revoked and reenacted at 21 Ok Reg 1618, eff 6-11-04; Revoked and reenacted at 25 Ok Reg 2318, eff 7-11-08