(1) Public statements may only be issued in an objective and truthful manner.

(a) Licensees shall be objective and truthful in professional reports, statements and testimony.

(b) Licensees may express publicly a professional opinion on technical subjects only when the opinion is founded upon adequate knowledge of the facts and competence in the subject matter.

(c) Licensees shall issue no statements, criticism or arguments on technical matters which are inspired or paid for by interested parties, unless the licensees have prefaced their comments by explicitly identifying the interested parties on whose behalf they are speaking and by revealing the existence of any interest the licensees may have in the matters.