Русско-англо-русский юридический словарь

An irrevocable letter of credit, or ILOC, cannot be canceled or modified in any way without explicit consent by the affected parties involved. For example, the issuing bank has no power to change the terms of an ILOC simply because the letter requester is having second thoughts. (Investopedia)

Foreign Exchange Costs. Upon demand of any Issuing Bank (with a copy to the Administrative Agent) from time to time, the Parent shall compensate such Issuing Bank for and hold such Issuing Bank harmless from any loss, cost or expense incurred by it as a result of any payment by any Borrower to reimburse drawings made under any Foreign Currency L/C in a currency other than the Foreign Currency in which such Foreign Currency L/C is denominated, including any foreign exchange losses and any loss or expense arising from the performance of any foreign exchange (Law Insider)