Two letters of credit, one in favor of the buyer's agent and one financing the seller. A back-to-back credit is created when an exporter holding an irrevocable Letter of Credit persuades the buyer's bank (the advising bank) to open a second credit in favor of the merchandise supplier. The two credits are identical in all respects, except that the supplier becomes the Beneficiary of the back-to-back credit, and the amount of the second credit is less than the original export credit. The difference is the import agent's commission.
Two letters of credit (LCs) used together to help a seller finance the purchase of equipment or services from a subcontractor. With the original LC from the buyer's bank in place, the seller goes to his own bank and has a second LC issued, with the subcontractor as beneficiary. The subcontractor is thus ensured of payment upon fulfilling the terms of the contract.
Investopedia Says:
Like most LCs, back-to-back LCs are used primarily in international transactions, with the first LC serving as collateral for the second.
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