17. Nothing in this Act shall prevent any person from teaching or from conducting research in chemistry or any related subject in an educational institution or from practising the profession of agronomist or forest engineer.
Furthermore, nothing in this Act shall prevent an employee from performing for his employer, under the supervision of a chemist, an act contemplated by paragraph b of section 1.
R. S. 1964, c. 265, s. 15; 1973, c. 63, s. 13.