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

Full text
13. Architects must, when the interest of their client so requires, consult another architect, a member of another professional order or another competent person, or refer the client to one of those persons.
Architects must acknowledge the right of their clients to consult another architect, a member of another professional order or any other competent person.
O.C. 901-2011, s. 13.