What is my Tax Identification Number/TIN?

Tax Identification Numbers differ from country to country.

You can find all details and examples of documents where you can find your TIN here:

For EU residents
https://ec.europa.eu/taxation_customs/tin/tinByCountry.html

For both EU and non-EU residents
https://www.oecd.org/tax/automatic-exchange/crs-implementation-and-assistance/tax-identification-numbers/