The Department of Human Services shall maintain a performance-based incentive compensation program for employees exclusively working as child welfare specialists. All full-time child welfare specialists shall be eligible to participate in the performance-based incentive compensation program. Eligibility factors shall include, but not be limited to, child welfare specialists who have met or exceeded the suggested federal child welfare outcomes, received “exceeds standards” employee evaluations, as defined by the Office of Management and Enterprise Services, completed Department-sponsored field training, and obtained an advanced higher education degree in social work or closely related field. The eligibility of a child welfare specialist shall not be based upon the level of seniority that has been obtained by the child welfare specialist. The Oklahoma Commission for Human Services shall promulgate rules as necessary to implement the provisions of this section.