D.C. Mun. Regs. tit. 1, § 1217
1217.1 A party may cross-examine any other party or person, except that the Presiding Member may rule a question out of order when it is irrelevant, immaterial, or unduly repetitious.
1217.2 Witnesses shall be examined and cross-examined orally under oath or affirmation.
1217.3 The order of procedure at the hearing shall be as follows:
(a) Call to order and opening comments by the Presiding Member;
(b) Consideration of pending motions and procedural matters;
(d) The appellant's case;
(e) The Chief's case; and
(g) Any rebuttal offered by the appellant.
1217.4 In an evidentiary hearing, no decision or order of the Board shall be made except upon the exclusive record of the proceedings before the Board.
SOURCE: Final Rulemaking published at 62 DCR 11123 (August 14, 2015).