A letter of credit, or a credit letter, is a letter from a bank guaranteeing that a buyer’s payment to a seller will be received on time and for the correct amount. If the buyer is unable to make a payment on the purchase, the bank will be required to cover the full or remaining amount of the purchase. It may be offered as a facility (financial assistance that is essentially a loan). Due to the nature of international dealings, including factors such as distance, differing laws in each countr...