Okla. Admin. Code § 260:130-21-132
All employees assigned to professional human resources positions in the executive branch, excluding employees within The Oklahoma State System of Higher Education, shall attend training in professional human resources administration conducted and determined by the Human Capital Management Division, and successfully complete an examination prescribed by the Administrator in order to attain certification as a human resources professional. In lieu of training conducted by the Human Capital Management Division, a professional certification in the Human Resources field that is nationally recognized may qualify. Employees appointed to human resources professional positions shall attend the training and successfully complete the examination within one (1) year of appointment. Employees who have been certified as human resources professionals by the Administrator shall thereafter annually complete training conducted and determined by the Human Capital Management Division in professional human resources administration to maintain certification. The Administrator may approve training that is not conducted by the Human Capital Management Division as meeting the annual training requirements. The Appointing Authority of each agency with an employee assigned to a professional human resources position shall ensure the employee is notified and scheduled to attend required human resources professionals training and shall make time available for the employee to complete the training.
Okla. Admin. Code § 260:130-21-132