6. Notwithstanding section 5, where the degree for which an application for equivalence has been made was received 5 years or more before the application, equivalence may be refused if the knowledge acquired by the candidate no longer corresponds to the knowledge now being taught as a result of developments in the profession.
However, equivalence must be recognized if the pertinent work experience and training that the candidate has acquired subsequently have enabled him to attain the required level of knowledge.