Credit limit
Customers do not need OCB to grant a credit line if there is no need for payment financing
Low cost
Compared to Letter of Credit (L/C)
Delivery of documents
The collection of documents will not be given to the customer who is importing the good until that customer has either paid (if the transaction is being handled as a D/P) or signed to accept the bill of exchange at maturity (if the transaction is being handled as a D/A).