Credit is Issued, presentable, and payable at our offices at. Attention:______. A credit card authorization letter gives someone permission to use your card.Learn how to write one, and when it's appropriate to use it. 1. In the sample letter, fill in your personal information. A mortgage lender might ask you to write a letter of explanation to better understand your finances when deciding whether to approve you for a loan. This worksheet is designed to be an example for gathering the basic information required in the preparation of an export quotation. Letter of credit should be advised through: JPMorgan Chase Bank, N.A.. Global Trade Services – Mail Code: IL1-0236. 131 South Dearborn, 5th floor. In the letter, reference the date of the initial contact and the method, for example, "a phone call received from your agency on April 25, 2024. Documentation Required.