Section 19 of the Principal Act is amended -

(a) in subsection (4), by the substitution of "Betting Act 1853" for "Betting Houses Act 1853",

(b) by the substitution of the following subsection for subsection (5):

"(5) A person shall be guilty of an offence if, in contravention of subsections (2) or (3), he -

(a) carries on any trade, profession or business (other than bookmaking) in registered premises, or

(b) permits the use of any such premises for the purpose of carrying on any trade, profession or business (other than bookmaking).",

and

(c) by the insertion of the following subsection:

"(6) A person guilty of an offence under subsection (5) shall be liable on summary conviction to a class B fine or imprisonment for a term not exceeding 3 months or both.".