(a) Each party shall have the right to present witnesses, to introduce exhibits, and to propose questions to the chairperson, hearing panel, or hearing officer for opposing witnesses in support or rebuttal of any matter relevant to the issues even though that matter was not covered in the direct examination.

(b) The Commission, hearing panel, or hearing officer may question any party or witness, may admit any relevant and material evidence, and may limit the length of testimony to a specific amount of time for any party or witness.

(c) The taking of evidence and testimony in a hearing shall be controlled by the Commission, hearing panel, or hearing officer in the manner best suited to ascertain the facts.

(d) Oral or written representations of fact offered by any person shall be supported by documentary or testimonial evidence, submitted in accordance with section 1187.5 of these regulations.

(e) Public hearings, pursuant to this article, shall be recorded by stenographic reporter or electronic recording or both. The transcript or recordings shall be kept for the period of time required by applicable law governing the retention of records of state agency public proceedings, or until conclusion of administrative or judicial proceedings, whichever is later.