86Prohibition on affixing advertisements on certain letter boxes etc
(1)A person commits an offence if, without due authority, he affixes any advertisement, document, board or thing in or on any universal postal service post office, universal postal service letter box or other property belonging to, or used by, a universal service provider in connection with the provision of a universal postal service.
(2)A person commits an offence if, without due authority, he paints or in any way disfigures any such office, box or property.
(3)A person who commits an offence under subsection (1) or (2) shall be liable on summary conviction to a fine not exceeding level 3 on the standard scale.
(4)In this Act—
“universal postal service letter box” means any box or receptacle provided by a universal service provider for the purpose of receiving postal packets, or any class of postal packets, for onwards transmission in connection with the provision of a universal postal service, and
“universal postal service post office” includes any house, building, room, vehicle or place used for the provision of any postal services in connection with the provision of a universal postal service or a part of such a service.