You will need this approval if you intend to possess, manufacture, sell, carry or otherwise deal with prohibited weapons or body armour.
Body armour is a garment or item that is designed, intended or adapted for the purpose of protecting the body from the effects of a weapon, including a firearm. Prohibited weapons are articles prescribed by regulation as prohibited.
If your business sells a prohibited weapon or body armour you will be required to keep a record of the sale. The record of sale must be kept for 3 years.