12-180-12 Me. Code R. § 16
Any party to the hearing has the right to be represented by counsel or by other representative, to examine and cross-examine witnesses and to offer documentary and other evidence. Stipulations may be offered with respect to any issue. Parties may request the issuance of subpoenas. The Board shall allow oral argument upon request and, after consultation with the parties, may require briefs to be submitted. Any brief permitted to be filed must be filed pursuant to the filing requirements of Chapter 10, section 7. A copy of any brief filed with the Board must be simultaneously served on all parties to the matter. A party's representative may testify at the hearing but the Board may require the testimony to be in question and answer form.
12-180 C.M.R. ch. 12, § 16