Okla. Admin. Code § 565:1-1-3
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. The remaining rules shall be valid and enforceable to the fullest extent allowed by law.
Added at 12 Ok Reg 2901, eff 7-13-95
Amended at 32 Ok Reg 2145, eff 9-11-15