6. In any proceedings for an offence consisting of a contravention of regulation 3 it shall be a defence for the accused to prove–
(a)that the food in respect of which the offence is alleged to have been committed was intended for export to a country which has legislation analogous to these Regulations and that it complies with that legislation; and
(b)in the case of export to an EEA State, that the legislation complies with the Commission Regulation.