A person is guilty of an offence against this Act who, without lawful authority or excuse, proof of which shall lie on him—
(a)does or omits anything the doing or omission of which is declared by this Act or by an order of the Minister to be an offence by that person against this Act; or
(b)does anything which by this Act or such an order is made or declared to be not lawful.
A person is guilty of an offence against this Act who, without lawful authority or excuse, proof of which shall lie on him—
(a)does anything in contravention of this Act, or of an order of the Minister, or of a regulation of a local authority; or
(b)fails to give, produce, observe or do any notice, licence, rule or thing which by this Act or such an order or regulation he is required to give, produce, observe or do.