Note: I stand corrected! ISO 3166 and 3166-2 are about codes and codes only and In themselves really provide no additional information about the “sovereignty status” or “dependency status” of the pertinent geography.

Jaap has graciously pointed out to me cases of dependent territories, for example, the case of Wallis and Futuna which beside their ISO 3166 code (WF), these island-dependencies (overseas collectivities of France) also hold several ISO 3166-2 administrative subdivision codes
WF-AL (Alo); WF-SG (Sigave) and WF-UV (Uvea). https://www.iso.org/obp/ui#iso:code:3166:WF

(Therefore that a certain jurisdiction holds ISO-3166-2 coded subdivisions says nothing about that jurisdiction’s political status in regards ultimate sovereignty).

Javier Rúa-Jovet

+1-787-396-6511
twitter: @javrua
skype: javier.rua1
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On Jan 11, 2018, at 11:05 AM, Jaap Akkerhuis <jaap@NLnetLabs.nl> wrote:

Nick,

Did not know or remember that interesting fact about Scotland (GB-SCT)
under 3166-2.  Seeing https://en.m.wikipedia.org/wiki/ISO_3166-2 which
reports that ISO-2 list,  I just realized that it indirectly
differentiates between independent countries and non-sovereign
territories that possess 3166-1 country codes: those with subdivisions
are independent countries and those without are not. Thanks a lot!

Note that Wikipedia is not a normative source for ISO information.
Apart from that, the conclusion you make about the difference between
ISO 3166 Part 1 and Part 2 is incorrect.

Part 2 defines subdivisions codes and given that, none of them are
independent. These codes have the form AA-XXXX. The AA part is the
alpha-2 code defined in Part 1. It doesn't say anything about the
dependency status of those subdivisions. In Part 1, there is an
indicator whether it the code is assigned to an Independent country or
not. Also note Part 2 only has subdivisions from Codes in Part 1.

If one want to know what ISO 3166 actually says, it is best to go to
the source directly. You can browse the ISO database using
<https://www.iso.org/obp>. In the search box, select the country
button and type in the query. Then you can click on the results and see the
glory details. For Scotland one gets something like
<https://www.iso.org/obp/ui#iso:code:3166:GB>. Note the "Yes" in the
dependency status of GB.

Hope this helps, Regards,

   jaap
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