In order to facilitate the development of Global Map data, the following Specifications were developed.

• Global Map Specifications ver.1.1 (Adopted at 5th ISCGM meeting in November 1998)
• Global Map Specifications ver.1.2 (Adopted at 7th ISCGM meeting in March 2000)
• Global Map Specifications ver.1.2.1 (Adopted at 12th ISCGM meeting in April 2005)
• Global Map Specifications ver.1.3 (Adopted at 14th ISCGM meeting in July 2007)
• Global Map Specifications ver.2 (Adopted at 16th ISCGM meeting in October 2009)
• Global Map Specifications ver.2.1 (Adopted at 18th ISCGM meeting in June 2011)
• Global Map Specifications ver.2.2 (Adopted at 19th ISCGM meeting in August2012)