The Attorney General shall appoint a First Assistant Attorney General, to assist him in his executive and other duties, which Assistant shall have had not less than five (5) years' experience in the active practice of law. Such Assistant shall take the constitutional oath of office and file it in the Office of the Secretary of State. In the absence or disability of the Attorney General, such Assistant may perform the duties of the Attorney General.
Okla. Stat. tit. 74, § 28