Okla. Stat. tit. 19, § 130.7

A. Each county commissioner, county clerk, county treasurer, and court clerk holding office on May 11, 1982, and those elected thereafter and the deputies of such elected county officers shall be required to participate in the appropriate training programs, as defined in subsection B of this section, and educational seminars relevant to their positions and duties conducted pursuant to Sections 130.1 through 130.7 of this title. In addition, county sheriffs and county assessors may attend the training programs specified in this section. B. Appropriate training programs shall include those programs provided by the Cooperative Extension Service at Oklahoma State University.