Section R. 400.20609 - Evidence; oathRule 609.
(1) A witness or party testifying shall be put under oath or affirmation.(2) Insofar as practical, the hearings officer shall follow the rules of evidence as applied in a nonjury civil case in circuit court. If necessary, evidence not admissible thereunder may be admitted, unless precluded by statute, if it is the type commonly relied upon by reasonably prudent persons in the conduct of their affairs. Effect shall be given to rules of privilege recognized by law. Incompetent, irrelevant, immaterial, or unduly repetitious evidence may be excluded. Objections to offers of evidence may be made and shall be noted in the record.Mich. Admin. Code R. 400.20609