Okla. Stat. tit. 21, § 21-977: Partial invalidity

In case any section, clause, sentence, paragraph or part of this

act shall for any reason be adjudged by any court of competent or

final jurisdiction to be invalid, such judgment shall not affect,

impair or invalidate the remainder of this act, but shall be

confined in its operation to the section, clause, sentence,

paragraph or part thereof directly involved in the controversy in

which said judgment shall have been rendered.