Trader has lost the Carnet whilst in the UK. What should they do?

Trader must contact their Issuing Body and obtain a “Substitute” Carnet. This will be exact copy of the original Carnet with “Substitute” or “Duplicata” stated on the Front Cover. Substitute Carnet must have its Front Cover validated by the Customs of country of issue. BF must bear in mind that Substitute Carnets will contain no previous transactions – process the Importation or Re-exportation as usual (as long as the Front Cover has been validated).