(a) The commissioners court of the county shall enact orders to provide for:
(1) filing of written grievances;
(2) written responses to the grievance allegations;
(3) procedures for appeal to an appointed county grievance resolutions committee;
(4) further appeal to the commissioners court;
(5) presentation of grievances by an employee's requested representative;
(6) reasonable leave with pay for the presentation of grievances; and
(7) other necessary procedures to permit effective implementation of this chapter.
(b) The orders and procedures shall apply equally to all employees of the county, including employees of independent elected officials, and shall provide for reasonable timetables for filing and responding to grievances.