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

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4.01.01. The following is incompatible with the practice of the profession of architect:
(a)  acting as a contractor under the same name which he uses as an architect;
(b)  supervising the carrying out of work for the account of a client for whom he acts as contractor; and
(c)  acting directly or indirectly as a general or specialized contractor unless he has notified his client thereof upon his engagement.
R.R.Q., 1981, c. A-21, r. 3, s. 4.01.01.