Regulation 4 Defences to an offence under section 36 of the 2006 Act or under paragraph 4 of Schedule 2 to that Act
For the purposes of regulation 3 a person shall be taken to have shown a matter specified in that regulation if—
(a)
sufficient evidence of that matter is adduced to raise an issue with respect to it; and
(b)
the contrary is not proved beyond a reasonable doubt.