23. Section 43B of the Principal Act is amended—
(a) by omitting from subsection (4) “, (3) or (4)” and substituting “or (3)”;
(b) by inserting in subsection (6) “, without reasonable excuse,” after “who”; and
(c) by omitting from subsection (6) all the words after “punishable”, and substituting “on conviction, by a fine not exceeding $2,000”.