Okla. Stat. tit. 85, § 400
If any section of the provision of this act be decided by the Courts to be unconstitutional or invalid, the same shall not affect the validity of this act as a whole, or any part thereof other than the part so decided to be unconstitutional or invalid.
Laws 1933, SB 151, c. 28, p. 65, § 1; Renumbered from 85 O.S. § 151 by Laws 2011, SB 878, c. 318, § 88.