The professional secret is a link in any type of relationship where a contract exists, the objective of the principle of ethics is to force the professional to keep secret the information provided by third parties, since the information that is revealed is important, additionally the principle manages to establish a relationship of trust in the exercise of the assignment between client and professional sustaining a profitable relationship, if a professional violates the principle is exposed to different sanctions, so this investigation will allow to know, to analyze, and to conclude the types of sanctions imposed according to the mentioned infraction.