The ISO 3166 Maintenance Agency meets several times a year. Recently, they added codes for new geopolitical realities:
The ISO standard includes territories that are not sovereign nations. Your must include these for shipping and tax purposes: iso 3 pdf
ISO 3 is based on the (often called R-series), named after Charles Renard. These are geometric progressions where each term is a specific root of 10. The standard specifies several basic series: R5 Series: Based on the 5th root of 10 ( ≈1.58is approximately equal to 1.58 R10 Series: Based on the 10th root of 10 ( ≈1.26is approximately equal to 1.26 R20 Series: Based on the 20th root of 10 ( ≈1.12is approximately equal to 1.12 R40 Series: Based on the 40th root of 10 ( ≈1.06is approximately equal to 1.06 The ISO 3166 Maintenance Agency meets several times a year
An exceptional series used for more granular requirements. Why Access the ISO 3 PDF? These are geometric progressions where each term is
It sounds like you’re looking for a (the international standard for 3-digit country codes ) in PDF format .