(a) The hearing of all cases shall be informal, the object being to dispense justice promptly and economically. The referee shall ensure that evidence shall be offered and questioning shall be conducted in an orderly and expeditious manner and according to basic notions of fairness. The referee may call and question any witness consistent with the referee's obligation to be an impartial fact finder favoring neither the state nor the defense. (b) The order of proceedings at the hearing shall be as follows: (1) Before commencement of the hearing, the referee shall briefly describe and explain the purposes and procedures of the hearing. (2) The officer shall offer sworn testimony and evidence to the facts concerning the alleged infraction. After such testimony, the referee and the defendant or counsel may examine the officer. (3) Thereafter, the defendant may offer sworn testimony and evidence and shall answer questions, if such testimony is offered, as may be asked by the referee. (4) If the testimony of additional witnesses is offered, the order of testimony and the extent of questioning shall be within the discretion of the referee. (5) Upon the conclusion of such testimony and examination, the referee may further examine or allow examination and rebuttal testimony and evidence as deemed appropriate. (6) At the conclusion of all testimony and examination, the defendant or counsel shall be permitted to make a closing statement. (c) The Colorado Rules of Evidence do not apply to hearings under these rules.