D.C. Mun. Regs. tit. 29, § 252
252.1 The hearing examiner in a proceeding shall not communicate directly or indirectly regarding any fact or issue of law with any party or party's representative, except on notice and with an opportunity for each party or each party's representative to participate.
SOURCE: Final Rulemaking published at 35 DCR 8538 (December 9, 1988).