Maybe you can use some field from the Company Info?
AS far as remember EORI code is for every importer/exporter both for persons and companies. Even if you buy from Aliexpress you use EORI.
I would like to know what BackgroundHALShouldPause does, and how to use it. While it's listed in the HAL Primitives report, it is not used in source code and it doesn't appear in the LMS HAL...