(1) The commission may solicit comments from the public on the petition, request for informal opinion or request for adjudicatory proceeding by causing notice to be published in the state register of the subject matter of a petition, request for informal opinion or request for adjudicatory proceeding, and indicating how, when and where persons may comment.

(2) No later than three days after its publication in the state register, the commission shall cause a copy of the notice of a petition, request for informal opinion or request for adjudicatory proceeding to be mailed to each person who has made a request to the agency for a mailed copy of such notice. The commission will charge for the actual cost of providing individual mailed copies of these notices.