(a) Define the differences between “authorized seller of poisons” and “listed seller of poisons” under the Pharmacy and Poisons Ordinance.

(b) Describe the conditions and limitations on sale of Part 1 and Part 2 poisons by an “authorized seller of poisons” and a “listed seller of poisons” respectively.

(c) What are the additional restrictions when an authorized seller of poisons sells a poison included in Schedule 3 to the Pharmacy and Poisons Regulations? (20 marks)