(a) A party may participate at the hearing in person, by attorney or by a representative presenting written authorization to represent that party.

(b) A party shall have the right to present relevant oral and written argument on issues of law and fact, to present relevant evidence and to question witnesses of other parties.

(c) A party must be present on a timely basis to present evidence, question witnesses or receive notice of scheduling of subsequent sessions. Failure to be present at a hearing session will not be deemed a waiver of the right to receive any written notices.