ISO 4217 added to the standard. A number of currencies are not included in ISO 4217, because these currencies are: (a) minor currencies pegged 1:1 to a larger currency, even if independently regulated (b) a legal tender only issued as commemorative banknotes or coinage, or (c) a currency of an unrecognized or partially recognized state. These currencies include: See for a list of all currently pegged currencies. Despite having no official recognition in ISO 4217, the following non-ISO codes are sometimes used locally or commercially. In addition, GBX is sometimes used (for example on the London Stock Exchange) to denote Penny sterling,
International Organization for Standardization was created in 2009 for the purpose of "[s]tandardization in the field of energy efficiency and renewable energy sources". ISO has 162 national members. ISO has three membership categories: Participating members are called "P" members, as opposed to observing members, who are called "O" members. ISO is funded by a combination of: ISO's main products are international standards. ISO also publishes technical reports, technical specifications, publicly available specifications, technical corrigenda, and guides. International standards Technical reports Technical and publicly available specifications Technical corrigenda ISO guides These are meta-standards covering "matters related to international standardization". They are named using the format