What is a one on/one off firearms transaction
A ‘one-on/one-off’ transaction is when a firearms certificate holder and a licensed dealer exchange an identical firearm in calibre and type (except gunshot gauge).
You must notify the police of any ‘one-on/one-off’ firearms transactions in Northern Ireland.
How to apply
You can apply online through the PSNI website:
Further information is available below:
Alternatively you can download and submit a completed notification form 30/50.
Further information on completion and submission of the hard copy form is available below: