The sale and handling of fireworks is at present governed by the Explosives (Jersey) Law 1970.
Explosives (Jersey) Law 1970 on Jersey Law website
Article 17 refers to a code of requirements which must be followed by anyone using or handling explosives:
Download the explosives code of requirements (size 222kb)
Anyone wishing to sell fireworks requires a licence, which can be obtained from the Connetable of the parish from which the fireworks are to be sold.
The Fire and Rescue Service may carry out an inspection of the premises from which the fireworks are to be sold and the storage areas. There are certain requirements which must be followed in order for a licence to be issued.
Download the Fire and Rescue Service 'selling fireworks - retailers guide' (size 1.6mb)
If you wish to import fireworks, or any other kind of pyrotechnic device, you must apply to the Senior Fire Safety Officer at the Fire and Rescue Service.
Download pyrotechnics importation licence application form (size 270kb)
Are there any laws governing firework displays?
If you are planning to hold a public or semi-public firework display there are health and safety legal requirements you should be aware of.
Information on organising a firework display