Welcome to the forum. See
https://www.trading212.com/en/Frequently-asked-questions
How to provide a W-8BEN Form?
This can be done in 3 easy steps:
- Print the W-8BEN Form from the IRS website here.
- Fill in the required information.
- Send a picture of it or a scanned copy directly through your Trading 212 account or by email to id@trading212.com.