The plugin validates the VAT number using the validation process of the official page of the European Commission, checking for the presence of the VAT number in the Intrastat records.
It may depend on several reasons. Please, check the following conditions:
- the country inserted by the user in the “Checkout” page has to be part of the EU
- the user’s country must differ from the one set as shop base location
Yes, the plugin works well. It does not interfere with pages built with Elementor, so you can use both plugins on your site without any issues.