Okla. Stat. tit. 19, § 19-215.5: Advice to county officers

The district attorney or his assistants shall give opinion and

advice to the board of county commissioners and other civil officers

of his counties when requested by such officers and boards, upon all

matters in which any of the counties of his district are interested,

or relating to the duties of such boards or officers in which the

state or counties may have an interest.