251Approval of modifications

251 Approval of modifications (1) A person authorised to modify a firearm under section 250 (2) must, not later than 7 days after its modification, produce the firearm to the registrar for the purpose of enabling the registrar to determine whether the firearm, has been modified in accordance with that authority. (2) A person must not, without reasonable excuse, contravene subsection (1). (3) If the registrar is satisfied that a firearm referred to in subsection (1) has been modified in accordance with the registrar’s authority, the registrar must, on production of the licence on which that firearm is registered make the alterations to that licence that are necessary.