Regulation 5 Proof of lawful import or export

Where any specimen is being imported or exported or has been imported or brought to any place for the purpose of being exported, a person commissioned by the Commissioners of Customs and Excise, or a person authorised by them, may require any person possessing or having control of that specimen to furnish proof that its importation or exportation is or was not unlawful by virtue of the Principal Regulation or, as the case may be, the Subsidiary Regulation and, until such proof is furnished, the specimen shall be liable to detention under the Customs and Excise Management Act 1979^f1 and, if such proof is not furnished to the satisfaction of the Commissioners, the specimen shall be liable to forfeiture under that Act.