The following section is inserted in the Principal Act after section 25A:
"25B. Surrender of firearm for ballistic testing.
(1) The Commissioner may by notice in writing require any person lawfully possessing a firearm to produce it at such time and place as may be specified in the notice for the purpose of having ballistic or other tests carried out on it and of establishing and recording its distinctive characteristics.
(2) A person who, without reasonable excuse, does not comply with such a notice is guilty of an offence under this Act.".