Withdrawal of services

An attorney may at any time withdraw his services– (a) where the client fails, refuses, or neglects to carry out an agreement with, or his obligation to, the attorney as regards the expenses or fees payable by the client; or (b) where his inability to work with colleagues or to advocate the case of his client in court indicates that the best interest of the client is likely to be served by his withdrawal; or (c) where his client freely assents to the termination of his services; or (d) whereby reasons of his mental or physical condition or other good and compelling reason it is difficult for him to carry out his services effectively; or (e) in cases of conflict as contemplated in rule 5 or rule 27.