DR 7-110 Contact with Officials.

  1. A lawyer shall not give or lend anything of more than nominal value to a judge, official, or employee of a tribunal, but a lawyer is not prohibited hereby from making contributions to a fund for filing fees or campaign expenses of a judge or official seeking election or re-election to a public office.
  2. In an adversary proceeding, a lawyer shall not communicate, or cause another to communicate, as to the merits of the cause with a judge or an official before whom the proceeding is pending, except:
    1. In the course of official proceedings in the cause.
    2. In writing if he promptly delivers a copy of the writing to opposing counsel or to the adverse party if he is not represented by a lawyer.
    3. Orally upon adequate notice to opposing counsel or to the adverse party if he is not represented by a lawyer.
    4. As otherwise authorized by law.