In order to provide opportunity for the submission and consideration of facts, arguments, offers for settlement of any of the issues in a proceeding, or consideration of means by which the conduct of the hearing may be facilitated and the disposition of the proceeding expedited, conferences between the participants for such purposes may be held at any time prior to or during hearings as time, the nature of the proceeding, and the public interest may permit.
204 Pa. Code § 89.71