Idaho Admin. Code r. 04.11.01.355
Persons not parties and not called by a party who testify at hearing are called "public witnesses." Public witnesses do not have parties' rights to examine witnesses or otherwise participate in the proceedings as parties. Public witnesses' written or oral statements and exhibits are subject to examination and objection by parties. Subject to Rules 558 and 560, public witnesses have a right to introduce evidence at hearing by their written or oral statements and exhibits introduced at hearing, except that public witnesses offering expert opinions at hearing or detailed analyses or detailed exhibits must comply with Rule 530 with regard to filing and service of testimony and exhibits to the same extent as expert witnesses of parties. (3-31-22)
Idaho Admin. Code r. 04.11.01.355