4. For the purposes of subdivision 5 of Division II of Chapter III of the Act, an employer fulfills the obligation to label a hazardous product obtained from a supplier if the product is labelled in accordance with the Hazardous Products Act (R.S.C., 1985, c. H-3) and the Hazardous Products Regulations (SOR/2015-17), except in the cases provided for in this Regulation.