The following prohibited articles, if submitted for transmission will be refused, or if detected in transit, detained. They will be dealt with in such manner as the Post Office thinks fit.

• Poisons.
• Explosives or flammable substances.
• Fatty Substances.
• Liquids and substances which easily liquefy except by letter post.
• Live or dead animals, except dead insects and reptiles when thoroughly dried.
• Fruit and vegetables.
• Substances which exhale bad odor.
• Lottery tickets or advertisements and circulars respecting such tickets.
• Articles which may damage or destroy mail or injure persons handling mail.
• Contraband.
• Counterfeit bank notes, currency notes or postal stamps.
• Filth.
• Money by letter post except in registered covers.
• Indecent or obscene communications, prints, photographs, books, or other articles, and packets bearing grossly offensive, indecent or obscene words, marks or designs.
• Packets purporting to be prepaid by means of any stamp machine impression which has been previously used to prepay any other packet or any other revenue duty or tax.
• Any packet bearing marks calculated to lead the recipient to believe that the item is sent on Her Majesty's Service. Packets consisting of or containing two or more postal packets of the same or different description addressed to different persons at different addresses.
• Alcohol.
• Animal products, non-domesticated.
• Articles of unusual value.
• Dangerous goods.
• Firearms.
• Furs.
• Personal Effects.
• Seeds.
• Tobacco.
• Plants.