ISO 3166-2:BG 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. Currently for Bulgaria, ISO 3166-2 codes are defined for 28 districts. Each code consists of two parts, separated by a hyphen. The first part is , the ISO 3166-1 alpha-2 code of Bulgaria. The second part is two digits (01–28). The codes are assigned in Bulgarian alphabetical order. Subdivision names are listed as
BG Group consultancy specialist) along with the property and transport companies and BG Group took ownership of gas fields and other assets. In 2002, Lattice merged with National Grid Company to become National Grid Transco which was renamed National Grid in 2005. In September 2007, BG Group delisted its ADRs from the New York Stock Exchange. Instead its shares began trading on the US over-the-counter market. In June 2008 BG Group made a US$13.1 billion bid to acquire Origin Energy, Australia's largest coal-seam gas producer, but were outmanoeuvred by ConocoPhillips, who offered to invest US$9.1 billion in a joint venture with Origin.