Okla. Stat. tit. 59, § 1117

A. A helper shall register annually with the Department. Any registered helper shall work only under the direct supervision of a certified operator. B. Any authority, company, district, county, municipality, individual or agency providing water or wastewater services shall report a list of all helpers in its employment as of the first day of July of each year together with a registration fee for each such helper and such other information as may be required by the Department.