New South Wales Consolidated Acts(cf APMC 4 (b), 1989 Act s 38)
(1) If a licence is suspended or revoked, the person to whom it was issued must immediately surrender to a police officer:(a) any firearm in the person’s possession, and(b) the licence.Maximum penalty: 50 penalty units or imprisonment for 2 years, or both.
(2) A police officer is authorised to seize any firearm in the possession of a person if that person’s licence is suspended or revoked.