6. Section 8 of the Principal Act is amended—
(a) by omitting “does not” and substituting “, without reasonable excuse, fails to”;
(b) by omitting subsection (6);
(c) by omitting from subsection (7) “and” (last occurring) and substituting “or”; and
(d) by omitting “he shall be guilty of an offence under this Act” and substituting “the dealer is guilty of an offence punishable, on conviction, by a fine not exceeding $500”.