Letter of guarantee for goods transported by sea, known as shipping guarantee (S/G).

In the event that the goods arrive at the port of destination before the bill of lading (B/L), the importer may request the SCB to sign a guarantee in S/G in order to receive the items to be sold or manufactured first.

Letter of guarantee for air freight, known as delivery order (D/O).

In the event that the goods arrive at the airport of destination before the air waybill (AWB), the importer may request the SCB to issue a letter of request for delivery order (D/O) to endorse in order to receive the items to be sold or manufactured first.