167 Subsection 439(2) of the Act is replaced by the following:
Marginal note:Idem
(2) Every person who intentionally alters, removes or conceals a signal, buoy or other sea-mark that is used for purposes of navigation is guilty of
(a) an indictable offence and liable to imprisonment for a term of not more than 10 years; or
(b) an offence punishable on summary conviction.