(1) In the event of an impasse, a petition, in writing, requesting assistance of the board, may be filed with the board by an employee or group of employees, a labor organization, or an employer. The original of the petition shall be signed by the petitioner or an authorized representative, and the original and three copies thereof shall be filed with the board. The petitioner shall serve a copy of the petition simultaneously upon any party in the petition. The petition shall contain:
(a) name, address, and telephone number of petitioner or authorized representative;
(b) name address, and telephone number of the employer;
(c) description of unit involved;
(d) name, address, and telephone number of the recognized or certified labor organization and authorized representative thereof;
(e) description of the dispute in detail;
(f) statement as to what assistance is requested; and
(g) statement indicating if the request is unilateral or joint.
(2) A petition may be withdrawn with the consent of the board.