Changes
The following changes to the entry have been announced in newsletters by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998:
| Newsletter | Date issued | Description of change in newsletter |
|---|---|---|
| Newsletter I-5 | 2003-09-05 | Spelling correction of CH-AI and CH-AR. New list source |
Read more about this topic: ISO 3166-2:CH