s 18 Offences relating to destruction etc.
(1) A person (P) is guilty of an offence if, without reasonable excuse, P contravenes section 11(4) (relinquishing possession of suspicious object). (2) A person (P) is guilty of an offence if P wilfully obstructs another person in the doing by that other person of any of the following— (a) entering or searching premises under an authorisation given or warrant issued under section 12(1) or (2); (b) making a prohibited munition safe, seizing or removing a prohibited munition, or affixing a warning, under section 13(3) or (4); (c) destroying a prohibited munition under an authorisation given under section 14(6); (d) entering premises under an authorisation given or warrant issued under section 16(2) or (4); (e) destroying a prohibited munition under an authorisation given or warrant issued under section 16(2) or (4); (f) attempting to do anything mentioned in any of paragraphs (a) to (e). (3) A person (P) is guilty of an offence if— (a) a warning relating to a prohibited munition has been affixed under section 13(4)(b), (b) before the date specified in the warning, P moves or interferes with the prohibited munition or interferes with the warning, and (c) P has no reasonable excuse for doing so. (4) A person guilty of an offence under any of subsections (1) to (3) is liable— (a) on summary conviction, to a fine not exceeding the statutory maximum, or (b) on conviction on indictment, to a fine. (5) A person who knowingly makes a false or misleading statement in response to a notice served under section 11, 14 or 15 is guilty of an offence and liable— (a) on summary conviction, to a fine not exceeding the statutory maximum, or (b) on conviction on indictment, to imprisonment for a term not exceeding two years or to a fine, or to both.