Exemption for authorised persons servicing or repairing air-guns
3.  A person who is authorised by the organising committee of the YOG to undertake the servicing and repair of any air-gun for the purpose of any competition involving arms at the YOG, or for any related purpose connected to any such competition, shall be exempt from section 13 of the Act in relation to possessing, controlling and dealing in any such air-gun, if —
(a)the air-gun is serviced or repaired only at such premises as the relevant authority approves (referred to in this Order as approved premises); and
(b)the person maintains a register of every such air-gun that he has serviced or repaired at the approved premises, and makes the register available for inspection by the relevant authority at all reasonable times.