date of acquisitionmeans the date on which a specimen was taken from the wild, born in captivity or artificially propagated, or, if such date is unknown or cannot be proved, any subsequent and provable date on which it was first possessed by a person;’
pre-Convention specimenmeans a specimen acquired before the species concerned was first included in the Appendices to the Convention.’;
sample collectionmeans a collection of legally acquired dead specimens, parts and derivatives thereof, that are transported across borders for presentation purposes;
transaction-specific certificatesmeans certificates issued in accordance with Article 48 that are valid only for one or more specified transactions;’