The following has been updated and is available on the CBSA website:
Memorandum D19-9-1, Importation of Human Drugs, Natural Health Products, and Medical Devices Regulated by the Food and Drugs Act
http://www.cbsa-asfc.gc.ca/publications/dm-md/d19/d19-9-1-eng.html

The Canada Border Services Agency (CBSA) assists Health Canada with the administration of the Food and Drugs Act and its Regulations at the border. In accordance with the Food and Drugs Act and its Regulations, the importation, distribution and sale in Canada of human drugs, natural health products, and medical devices are regulated by Health Canada. This departmental memorandum outlines the policy and customs procedures related to the importation of human drugs, natural health products, and medical devices, as defined by the Food and Drugs Act and its Regulations.

1. This memorandum has been updated to reflect the Canada Border Services Agency’s (CBSA) role in assisting Health Canada with the administration of the Food and Drugs Act as it relates to the importation of human drugs, natural health products, and medical devices.
2. Terminology has been updated to reflect changes in the CBSA’s organizational structure.
3. Relevant provisions of the Customs Act and Food and Drugs Act are listed in the “Legislation” section.