17.—(1) This regulation shall apply to any modification made by any person (other than a consumer) which results in any change to the design, construction or materials of any registered controlled goods.
(2) Where a modification to the registered controlled goods does not result in a change in model number and affects the safety requirements of the registered controlled goods, the Registered Supplier shall —
(a)
send the registered controlled goods to a CAB (Local) or a CAB (Foreign — MRA) to be tested and certified for conformity to the safety requirements of the Safety Authority for those controlled goods; and
(b)
update its technical file on the registered controlled goods with details of the change.
(3) Where a modification to the registered controlled goods does not result in a change in model number and does not affect the safety requirements of the registered controlled goods, the Registered Supplier shall update its technical file on the registered controlled goods with details of the change.
(4) Where a modification to the registered controlled goods results in a change in model number and affects the safety of the controlled goods, the controlled goods shall be treated as new controlled goods not registered with the Safety Authority, and the Registered Supplier shall obtain a new certificate of conformity for those new controlled goods and apply for registration of those new controlled goods in accordance with regulation 7.
(5) Where —
(a)
a modification to the registered controlled goods results in a change in model number and does not affect the safety of the controlled goods; or
(b)
the model number of the registered controlled goods is changed without any modification to the registered controlled goods,
the controlled goods shall be treated as new controlled goods not registered with the Safety Authority, and the Registered Supplier shall apply for registration of new controlled goods in accordance with regulation 7, but need not obtain a new certificate of conformity for those new controlled goods for such registration.