Identification marks or numbers on containers

(1) Every container of an antibiotic shall carry a batch identification mark or number and the date of manufacture of such antibiotic, and the contents of any such containers, supplied by any person and bearing the same identification marks or numbers, shall be deemed to have been manufactured at the same time and under identical conditions until the contrary is proved. (2) No person shall sell, transfer or dispense any antibiotic after the date of expiry endorsed on the container thereof, except to a medical practitioner, dentist or veterinary surgeon, who has been informed in writing of such date by the person selling, transferring or dispensing such antibiotic.