Letter of agreement issued by a bank stating a foreign purchaser has established a line of credit in a seller’s favour, and confirming that payment for goods will be made upon presentation of certain documents which are in agreement with terms on the letter of credit. 2. A letter addressed by a banker to a correspondent certifying that a person named therein is entitled to draw on him or his credit up to a certain sum. 3. A letter addressed by a banker to a person, to whom credit is given, authorising him to draw on the issuing bank or on a bank in his country up to a certain sum and guaranteeing to accept the drafts if duly made, also called commercial letter of credit, confirmed credit or confirmed letter of credit. 4. Letters of credit may take various forms, represent various undertakings for various purposes and be subject to different conditions.