(a) Employees in the Administrative Services, Institutional Services and Operational Services negotiating units in positions not allocated to a salary grade are eligible for performance advancement and performance award payments in a manner similar to persons in graded positions in these same negotiating units if the positions of such employees are equated to a salary grade by the Director of the Budget.

(b) Employees serving in nongraded trainee positions shall be eligible for performance advancement payments in accordance with the terms of plans developed by the Director of Classification and Compensation and approved by the Director of the Budget.