4.—(1) A person who fails to comply with any requirement, restriction or prohibition conveyed by a crossing sign lawfully placed on or near a private road or path near a place where it crosses a railway shall be guilty of an offence.N.I.
(2) In any proceedings for an offence under this paragraph, a crossing sign on or near a private road or path near a place where it crosses a railway shall be taken to have been lawfully placed there unless the contrary is proved.
(3) A person guilty of an offence under this paragraph shall be liable on summary conviction to a fine not exceeding level 3 on the standard scale.