A-21, r. 5 - Code of ethics of architects

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3.03.04. Unless he has sound and reasonable grounds therefor, an architect may not cease to act for the account 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 architect is in a situation of conflict of interest or in a situation such that his professional independence could be called into question;
(c)  the fact of being incited by the client to perform illegal, unfair or fraudulent acts.
R.R.Q., 1981, c. A-21, r. 3, s. 3.03.04.