5. Notwithstanding section 4, where the diploma for which equivalence is applied was obtained 5 years or more prior to the application, a diploma equivalence shall be denied if the knowledge acquired by the person no longer corresponds, taking into account developments in the profession, to the knowledge which, at the time of the application, is being taught in a program of study leading to a diploma recognized as giving access to the permit.
In such a case, training may be recognized as equivalent in accordance with section 6, if the training received by the person since then has enabled him to attain the required level of knowledge.