> unless someone claims to be not from EU or is an EU-based business, you charge the nominal VAT rate from your country, remit it to your government and call it

> unless someone claims to be not from EU or is an EU-based business, you charge the nominal VAT rate from your country, remit it to your government and call it a day. Assuming you are talking about VAT MOSS, it's the VAT rate of your customer's country. You also need to collect multiple pieces of non-contradictory location proof to justify why you are charging the rate you are.