I love the development speed of FluentCart, don't miss out on purchasing this before the LTD closes. I think having even a few licenses of this would be useful for future use. I wish I grabbed the FluentCRM LTD don't be me in a few years!
On an EU B2B sale to a VAT-registered buyer, the tax should shift to them. FluentCart 1.4.0 handles reverse charge across borders, keeps tax-inclusive stores showing the right adjusted total to a business buyer, and adds a B2B badge on order pages.