3.03.05. Unless he has sound and reasonable grounds to the contrary a member may not cease to act on behalf of a client. The following shall, in particular, constitute sound and reasonable grounds:(a) loss of the client’s confidence:
(b) the fact that the member is in a situation of conflict of interest or in a context whereby his professional independence could be called into question;
(c) the fact of being incited by the client to perform illegal, unfair or fraudulent acts.