(1) For at least twenty-five (25) days after proper filing with the Secretary of State of the notice of proposed rule adoption, an agency shall afford persons the opportunity to submit, in writing, argument, data and views on the proposed rule.

(2)

(a) An agency, in its discretion, may schedule an oral proceeding on any proposed rule. However, an agency shall schedule an oral proceeding on a proposed rule if, within twenty (20) days after the proper filing of the notice of proposed rule adoption, a written request for an oral proceeding is submitted by a political subdivision, an agency or ten (10) persons. At that proceeding, persons may present oral or written argument, data and views on the proposed rule.

(b) An oral proceeding on a proposed rule, if required, may not be held earlier than twenty (20) days after notice of its location and time is properly filed with the Secretary of State for publication in the administrative bulletin. Within three (3) days after its proper filing with the Secretary of State for publication in the administrative bulletin, the agency shall cause a copy of the notice of the location and time of the oral proceeding to be mailed to each person who has made a timely request to the agency to be placed on the mailing list maintained by the agency of persons who have requested notices of proposed rule adoptions.

(c) The agency, a member of the agency, or another presiding officer designated by the agency shall preside at a required oral proceeding on a proposed rule. Oral proceedings must be open to the public and may be recorded by stenographic or other means.

(d) An agency may issue rules for the conduct of oral rule-making proceedings or prepare reasonable guidelines or procedures for the conduct of any such proceedings. Those rules may include, but not be limited to, provisions calculated to prevent undue repetition in the oral proceedings.