N.M. Admin. Code § 11.21.1.12
Except as otherwise provided in this rule, no party to a proceeding pending before this board or any of its agents shall communicate, or attempt to communicate, with a hearing examiner assigned to the case, with the director, or with a board member, concerning any issue in the case, without, at the same time, transmitting the same communication to all other parties to the proceeding. It shall not be a violation of this rule to communicate concerning the status of a case, or to communicate concerning such procedural matters as the location or time of a hearing, the date on which documents are due, or the method of filing. It shall not be a violation of this rule for a party to communicate with the director during the investigatory phase of a proceeding. It shall not be a violation of this rule for a party to communicate with anyone concerning any rulemaking proceeding of the board, or to communicate with the director, a mediator, or board member at the director's, mediator's, or board member's request.
N.M. Admin. Code § 11.21.1.12