Prohibited. Except in the presence of all parties, a party or a party's representative may not communicate regarding the merits of any issue in a case with: Anyone at OAH, including an administrative law judge; or The Secretary or anyone known to be representing the Secretary. Written Communication. A copy of all written communication to and between any party and OAH or the Secretary shall be sent to all parties in the case. Failure to send a copy as required may be grounds for a continuance or dismissal.