21.—(1) It is a defence for a person charged with a relevant offence to show that they did not know and had no reasonable cause to suspect that their actions would contravene the relevant prohibition in the North Korea Regulation.
(2) In this article “relevant offence” means an offence under any provision of this Order other than—
(a)article 4(7) or (9);
(b)article 20(1)(a) or (b);
(c)article 20(3)(a) or (b).