Customs Consolidation Act, 1876

Lists of prohibited books to be exposed at Custom Houses.

44. The Commissioners of Customs shall cause to be made, and to be publicly exposed at the Custom Houses in the several ports in the United Kingdom, lists of all books wherein the copyright shall be subsisting, and as to which the proprietor of such copyright, or his agent, shall have given notice in writing to the said Commissioners that such copyright exists, stating in such notice when such copyright expires, accompanied by a declaration made and subscribed before a collector of Customs or a justice of the peace, that the contents of such notice are true.