Experiment with the idea of using the country code for the first authority from that country, then if multiple authorities compete, accepting an extension code for them. Need to handle cases like ISO, ICAO, etc. Some abbreviations that are not immediately understandable (e.g. mext), indicate the full title in brackets.
In GitLab by @ronaldtse on Jan 24, 2020, 10:04
ISO 24229 Kick off - Meeting Minutes (2019/11/04)