(1) If the alleged violator desires to petition the board for hearings, the form of the petition shall be in substantially the following form:
(a) The name, address and telephone number of the petitioner, or other person authorized to receive service of notices.
(b) The type of business or activity involved, and the address of such business.
(c) A brief summary of the accusations made by the department in its notice of violation, and the date of such notice.
(d) A statement that petitioner denies the allegations in full or in part, and that he seeks a hearing to protest the issuance of any corrective order.
(e) The petitioner shall sign the petition, or it shall be signed by some person on his behalf, and the authority of such other person so signing must appear.
(2) If hearing is held, rules of practice as provided in contested cases shall apply.