The Unique Seal
Single use security seals are numbered and perhaps barcoded too, to make capturing data easier and more accurate. The reason for numbering is to make every security seal unique and auditable. Firstly to the issuer, then to whom it is issued, the container it secures and finally the vehicle it was loaded onto. At the destination the seal number is matched to the manifest prior to being broken and the contents accessed. If the seal number fails to match the manifest then goods are either rejected back to the sender or the whole consignment secured by that seal must be audited and reconciled to the manifest.