A letter of credit which is issued by a bank to a customer preparing for an extended trip. The customer pays for the letter of credit at the time of issuance, and a bank issues the letter for a specified period of time in the amount purchased. The bank furnishes a list of correspondent banks where drafts against the letter of credit will be honored. The bank also identifies the customer by exhibiting a specimen signature of the purchaser in the folder enclosing the list of correspondent banks. Each bank, which honors a draft, endorses on the letter of credit the date when a payment was made, the bank's name, the amount drawn against the letter of credit, and charges the issuing bank's account.

I. An instrument of audit issued by the buyer's bank, at the buyer's request, in which the issuing bank promises to pay the seller upon presentation of documents stipulated in the terms and conditions of the audit

II. A financial document issued by a bank at the request of the consignee guaranteeing payment to the shipper for cargo if certain terms and conditions are fulfilled. Normally it contains a brief description of the goods, documents required, a shipping date, and an expiration date after which payment will no longer be made.- An Irrevocable Letter of Credit is one which obligates the issuing bank to pay the exporter when all terms and conditions of the letter of credit have been met. None of the terms and conditions may be changed without the consent of all parties to the letter of credit.- A Revocable Letter of Credit is subject to possible recall or amendment at the option of the applicant, without the approval of the beneficiary.- A Confirmed Letter of Credit is issued by a foreign bank with its validity confirmed by a U.S. bank. An exporter who requires a confirmed letter of credit from the buyer is assured payment from the U.S. bank in case the foreign buyer or bank defaults.- A Documentary Letter of Credit is one for which the issuing bank stipulates that certain documents must accompany a draft. The documents assure the applicant (importer) that the merchandise has been shipped and that title to the goods has been transferred to the importer.