19Occupiers of licensed tracks not to have an interest in bookmaking thereon
It shall not be lawful for—
(a)the occupier of any licensed track or any servant or agent of his ; or
(b)any person having under a lease, agreement or licence granted by the occupier any interest in or right over or in respect of any part of the track,
to engage either directly or indirectly, and either on his own behalf or on behalf of another, in bookmaking on that track; and if any person contravenes the provisions of this section, that person, and, if that person is not the occupier of the track, that occupier also, shall be guilty of an offence:
Provided that where the occupier of a track is charged with an offence by reason of a contravention of this section on the part of another person it shall be a defence for the occupier to prove that the contravention occurred without his consent or connivance and that he exercised all due diligence to prevent it.