Retired in ISO 639-3:
Excerpt from change request document:
- The name is an old town name not associated with any language spoken there
- The classification is highly unlikely for the region given
- The population figure is ludicrously way higher than Tibetan, also spoken there -- 590,000 Atuence (no date or source) vs 4,800 known Central Tibetans (2006)
- All in all, the "guess is that the Atuence entry is probably based on some spurious information reported to Shafer (1966) and compiled by him in his collections.