The advising bank---notifying bank---advises the beneficiary that a letter of credit (L/C) opened by the issuing bank is available to him/her and informs the beneficiary about the terms and conditions of the L/C. The advising bank is not necessarily responsible for the payment of the credit which it advises.
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A domestic bank which handles letters of credit for a foreign bank by notifying the exporter that the credit has been opened in his favor, fully informing him of the conditions and terms without responsibility on the part of the bank. (TNDOT1)