ISO 4217 instead of translated currency names or ambiguous currency symbols. ISO 4217 codes are used on airline tickets and international train tickets to remove any ambiguity about the price. The first two letters of the code are the two letters of the ISO 3166-1 alpha-2 country codes (which are also used as the basis for national top-level domains on the Internet) and the third is usually the initial of the currency itself. So Japan's currency code is JPY—JP for Japan and Y for yen. This eliminates the problem caused by the names "dollar, franc, peso" and "pound" being used in dozens
ISO/IEC JTC 1/SC 17/WG 1 Sub-Committee 17 administered standards. ISO/IEC JTC 1/SC 17/WG 1 ISO/IEC JTC 1/SC 17/WG 1 is a working group within ISO/IEC JTC1 of the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC), that facilitates standards development within the field of cards and personal identification. A national delegation of experts from various countries meet in person at WG1 to discuss and debate items detailed in a meeting agenda until a consensus is reached. These items include: draft standards, draft test methods, questions from the industry, proposals for new work items or other aspects relating to the Standards and Test