Okla. Admin. Code § 752:1-1-4
If a court of competent jurisdiction finds any rule or part of a rule in this Title to be unenforceable, it shall not impair or invalidate the remaining rules in this Title; the remaining rules shall be valid and enforceable to the fullest extent allowed by law.
Added at 11 Ok Reg 409, eff 10-25-93 (emergency)
Added at 11 Ok Reg 4259, eff 7-25-94