(1) If an employee's supervisor, or the agency for which the employee works, directly or indirectly interferes, restrains, coerces or retaliates against an employee because the employee has filed or attempted to file a grievance with the board, the employee shall be entitled to file a complaint with the board.

(2) The complaint shall be in writing and shall contain a clear and concise statement of facts constituting the alleged interference, restraint, coercion or retaliation.

(3) The board shall serve the complaint upon the employee's supervisor or the agency for which the employee works and the supervisor or agency shall have 10 days from the date of service of the complaint upon them to respond to the complaint.

(4) After ten days have elapsed from the date of service of the complaint, the board shall commence with step four (d) of the formal appeals procedure.