Section 026-70-15 - EvidenceA.Rules of privilege. The Board need not observe the rules of evidence observed by courts, but shall observe the rules of privilege recognized by law.B.Evidence. Evidence shall be admitted if it is the kind of evidence upon which reasonable persons are accustomed to rely in the conduct of serious affairs. The Board may exclude irrelevant or unduly repetitious evidence.C.Witnesses. All witnesses shall be sworn.D.Prefiling testimony. Subject to these requirements, the Board may, for the purposes of expediting adjudicatory proceedings, require procedures for the prefiling of all or part of the testimony of any witness in written form. Every such witness shall be subject to oral cross-examination.E.Written evidence; exception. No sworn written evidence shall be admitted unless the author is available for cross-examination or subject to subpoena, except for good cause shown.01- 026 C.M.R. ch. 70, § 15