ISO 4217 "ruble". In addition to codes for most active national currencies ISO 4217 provides codes for "supranational" currencies, procedural purposes, and several things which are "similar to" currencies: The use of an initial letter "X" for these purposes is facilitated by the ISO 3166 rule that no official country code beginning with X will ever be assigned. Because of this rule ISO 4217 can use X codes without risk of clashing with a future country code. ISO 3166 country codes beginning with "X" are used for private custom use (reserved), never for official codes. For instance, the ISO 3166-based NATO country
ISO/IEC 19770 multiple instances of an asset; — a much-improved ability to track resource utilization and IT assets in near real-time. An overview of the standard is available from ISO and is available in English here. ISO/IEC 19770-5:2015 provides an overview of ITAM, which is the subject of the ISO/IEC 19770 family of standards, and defines related terms. ISO/IEC 19770-5:2015 is applicable to all types of organization (e.g. commercial enterprises, government agencies, non-profit organizations). ISO/IEC 19770-5:2015 contains: A free copy of the overview and vocabulary is available here. ISO/IEC 19770 International standards in the ISO/IEC 19770 family of standards for IT asset