D-4, r. 6 - Code of Ethics of the Ordre des denturologistes du Québec

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5.9. A denturologist shall keep an exact duplicate of any statement or advertisement in its original form for one year following the date on which it was last published or broadcast. Upon a request by the syndic, he shall hand over that duplicate to the syndic.
O.C. 1381-91, s. 1.