Okla. Stat. tit. 22 § 1181
Any officer not subject to impeachment elected or appointed to any state, county, township, city, town or other office under the laws of the state may, in the manner provided in this article, be removed from office for any of the following causes:
First. Habitual or willful neglect of duty, which, for a state officer, shall include, but not be limited to, knowingly giving false testimony to a committee of either house of the Legislature, knowingly engaging in operations beyond the constitutional or statutory authority delegated to the agency that the officer is employed by or serves, or repeatedly refusing to provide information to a committee, either house or a member of the Legislature in a timely manner. For the purposes of this section, "timely manner" means no more than fifteen (15) business days from the date the request for information was received by the agency, unless extended by written agreement.
Second. Gross partiality in office.
Third. Oppression in office.
Fourth. Corruption in office.
Fifth. Extortion or willful overcharge of fees in office.
Sixth. Willful maladministration.
Seventh. Habitual drunkenness.
Eighth. Failure to produce and account for all public funds and property in his or her hands, at any settlement or inspection authorized or required by law.
Okla. Stat. tit. 22, § 1181