Okla. Stat. tit. 26, § 26-16-119: Expenditure of public funds

Any official in this state who shall direct or authorize the

expenditure of any public funds under his care, except as

specifically authorized by law, to be used either in support of, or

in opposition to, any measure which is being referred to a vote of

the people by means of the initiative or referendum, or which

citizens of this state are attempting to have referred to a vote of

the people by the initiative or referendum, shall be deemed guilty

of a misdemeanor, and the office held by such party shall be

adjudged vacant and shall be filled in the manner prescribed by law.