Elections for multi-county school districts shall be conducted by the County Election Board in the county in which supervision of the school district is located. The supervision of a multi-county school district is usually, but not always, located in the county in which the district's administrative offices are located. If there is a question about the location of the supervision of the district, school district personnel shall be responsible for making the determination.
Okla. Admin. Code § 230:40-7-98