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

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71. All architects who are partners or work together in the practice of their profession are jointly responsible for complying with the rules respecting advertising, unless the advertising clearly indicates the name of the architect who is responsible for it or unless the other architects establish that the advertising was done without their knowledge and consent and in spite of measures taken to ensure compliance with those rules.
O.C. 901-2011, s. 71.