A-21, r. 5.1 - Code of ethics of architects

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25. Architects cannot, except for just and reasonable grounds, interrupt their professional services. Just and reasonable grounds include:
(1)  the loss of trust on the part of the client;
(2)  the fact that an architect is in a situation of conflict of interest or in a context that is such that his or her professional independence could be questioned;
(3)  inducement by the client to perform illegal, unjust or fraudulent acts;
(4)  the fact that the client refuses to pay the architect’s fee; and
(5)  the fact that the architect has been misled by the client or the client has failed to co-operate.
O.C. 901-2011, s. 25.