73. A chartered professional accountant shall not practise through a firm(1) in which persons engage in acts that are derogatory to the honour or dignity of the profession;
(2) in which directors, shareholders, partners or employees practise a profession, carry on a trade, enterprise or business or hold an office or function that is incompatible with the dignity or practice of the profession;
(3) in which a person who holds partnership or company shares with voting rights or acts as a director or officer is struck off the roll of a professional order or has his professional permit revoked.