DR 7-106  Trial Conduct.

A. A lawyer shall not disregard or advise his client to disregard a standing rule of a tribunal or a ruling of a tribunal made in the course of a proceeding, but he may take appropriate steps in good faith to test the validity of such rule or ruling.

B. In presenting a matter to a tribunal, a lawyer shall disclose:

1. Legal authority in the controlling jurisdiction known to him to be directly adverse to the position of his client and which is not disclosed by opposing counsel.
2. Unless privileged or irrelevant, the identities of the clients he represents and of the persons who employed him.

C. In appearing in his professional capacity before a tribunal, a lawyer shall not:

1. State or allude to any matter that he has no reasonable basis to believe is relevant to the case or that will not be supported by admissible evidence.
2. Ask any question that he has no reasonable basis to believe is relevant to the case and that is intended to degrade a witness or other person.
3. Assert his personal knowledge of the facts in issue, except when testifying as a witness.
4. Assert his personal opinion as to the justness of the culpability of a civil litigant, or as to the guilt or innocence of an accused, but he may argue, on conclusion with respect to the matters stated herein.
5. Fail to comply with known local customs of courtesy or practice of the bar or a particular tribunal without giving to opposing counsel timely notice of his intent not to comply
6. Engage in undignified or discourteous conduct which is degrading to a tribunal.
7. Intentionally or habitually violate any established rule of procedure or of evidence.