Final answer:
The supplier of the products is responsible for labeling the package containing controlled products, as per health and safety regulations.
Step-by-step explanation:
This obligation is part of the supplier's duty to ensure that all hazardous materials are properly classified and communicated to those who handle, transport, or use these materials. Proper labeling includes the necessary warnings and safety instructions to maintain compliance with health and safety regulations. Suppliers must ensure that the labels provide adequate information about the contents and associated risks, as well as instructions for safe handling and emergency measures in case of an accident.