15.—The Principal Act is hereby amended by—

(a) the substitution in section 29(a) of “£1,500” for “£1,000”, and

(b) the substitution of the following section for section 31:

“31.—Where an offence under this Act is committed by a body corporate and is proved to have been committed with the consent or connivance of, or to be attributable to any neglect on the part of any director, manager, secretary or other officer of such body corporate or a person who was purporting to act in any such capacity, that officer or person shall be guilty of an offence and shall be liable to be proceeded against and punished as if he were guilty of the first-mentioned offence.”.