54 (3) Subject to subsection (4), any person who⎯ (a) sends in or with any postal article; or (b) puts into or against any post office; any fire, match or light or any explosive, inflammable, dangerous, noxious or deleterious substance or fluid shall be guilty of an offence and liable to imprisonment for a period not exceeding seven years: Provided that, in the case of a person who sends in or with any postal article any device, substance or fluid which is designed to cause injury to any person, he shall be liable to imprisonment for a period not exceeding twenty years. (4) Subsection (3) shall not apply to any noxious or deleterious substance or fluid sent in the interests of public health in accordance with such conditions as are prescribed, or provided under any law. (5) Subsections (1), (2) and (3) shall apply in respect of any act which constitutes an offence in terms of the said sections and is committed outside Zimbabwe by a person who sends the postal article concerned to an address within Zimbabwe. 85 Offence of unauthorised notice as to reception of letters, etc. Any person who, not being a postal licensee or without being authorised by the Authority places or maintains in or on any house, wall, door, window, box, pillar or other place⎯ (a) the words “Post Office” or “Post and Telegraph Office”; or (b) the words “Letter Box” accompanied with a word, letter or mark that signifies or implies or is likely to signify or imply that it is a post box; or (c) any word or letter that signifies or implies or is likely to signify or imply that any house or place is a post office or that any box is a post box; shall be guilty of an offence and liable to a fine not exceeding level five or to imprisonment for a period not exceeding six months or to both such fine and such imprisonment. 23 86 Trespass in or upon post offices or telephone exchanges (1) Any person, other than an employee of the licensee concerned, who⎯ (a) without the permission of the licensee who controls the premises, or of an employee of the licensee with authority to give such permission, enters⎯ (i) any part of a post office that is not open to the public; or (ii) any premises on which there is a telephone exchange worked by a telecommunication licensee; or (b) behaves in a disorderly manner⎯ (i) in a post office; or 22 Subsection amended by s. 4 of Act 22/2001. 23 Section amended by s. 4 of Act 22/2001.