Interference, etc., with transmission of signals
8.—(1)  Any person who, without lawful authority, does any act which prevents, obstructs or interferes with the transmission of signals between the in-vehicle unit installed in any motor vehicle and any ERP facility shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,000 or to imprisonment for a term not exceeding 6 months or to both.
(2)  Any person who, without lawful authority, hinders by any means and to any extent, the view of any of the identification marks of any vehicle in respect of which an offence under these Rules has been committed and who in so doing obstructs the identification of the vehicle shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $2,000 or to imprisonment for a term not exceeding 6 months or to both.
(3)  It is a defence in any prosecution for a contravention of paragraph (1) for the person charged to prove to the satisfaction of the court that the defendant did not know nor could the defendant reasonably have discovered the contravention referred to in the charge.