Use of Punic Territories and Subdivisions

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Hello.

We have a site with a lot of International Members managed by a database in the Office that updates the Users and their attributes in the website with an Import/Update addon. The database uses the ISO3166-2 addressing data for Country and Subdivisions.

There is a problem linking the addresses of the Members with their address attribute and I can see there are two systems in Concrete5
a. src/Localization/Service/CountryList.php and src/Localization/Service/StatesProvincesList.php
b. vendor/punic/punic/src/Territory.php

the src/Localization library doesn't include all the Country/Subdivisions we need, whereas the Punic library does.

Is there a way to switch to using the Punic library in:
a. The dashboard User management UI?
b. Accessing the User address attributes?

Thanks.

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