(a) With the written consent of the client or, in the case of death or disability or in the case of a minor, with the written consent of his parent, legal guardian or conservator, or other person authorized by the court to file suit;
(b) When a communication reveals the contemplation of a crime or harmful act, or intent to commit suicide; or
(c) When a person waives the privilege by bringing charges against a licensed professional counselor or provisional licensed professional counselor for breach of privileged communication, or any other charges.