(1)Every package containing salmon, trout or eels in course of transit in Northern Ireland shall be marked conspicuously on the outside with the words "salmon and trout' or the word "salmon', or the word "trout', or the word "eels', as the case may require, and shall have also marked thereon or on a label affixed thereto the name and address of the consignor thereof.
(2)Where any package containing salmon, trout or eels is not marked in the manner required by this section, any person—
(a)sending or consigning the package for transit in Northern Ireland; or
(b)carrying the package in Northern Ireland for reward (except in a case where that person proves that he did not know or could not reasonably have known that the package contained salmon, trout or eels);
shall be guilty of an offence under this Part.