ISO 3166-2:BG in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA). "Click on the button in the header to sort each column." The following changes to the entry have been announced by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998. ISO stopped issuing newsletters in 2013. ISO 3166-2:BG ISO 3166-2:BG is the entry for Bulgaria in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.
Registration authority organizations to which a member body delegates certain tasks in its country). The membership of MAs and their operating procedures are subject to approval by the Technical Management Board. While registration authorities for a particular standard typically do not change, the position is not formally guaranteed and is subject to review and reassignment to a different firm or organization. In some cases, the concept of a registration authority may not exist for a standard at all. By further example, the equivalent registration authority organization for Internet standards is the Internet Assigned Numbers Authority. ISO standards having registration authorities are: Registration