29. Architects may sign and, as the case may be, affix their seal to a document they have prepared in the practice of their profession only if the document is complete relating to the purposes indicated in the document, and if they have an overall knowledge and control of the document.
Architects may, under the same conditions, sign and, as the case may be, affix their seal to a document prepared by:
(a) a person working under their supervision; or
(b) another architect who practises within the same partnership or joint-stock company or acts as collaborator for the same project or by a person working under the supervision of that architect.