There are many changes effective from January 1, 2021 as the U.K. is no longer an EU member state.
EU businesses cannot use the EU online value-added tax (VAT) refund system and submit so-called 8th Directive claims in their own member state to claim any U.K. VAT refunds when costs are incurred after the end of 2020.
As the U.K. is no longer a member state, U.K. businesses cannot use the EU online VAT refund system and submit online claims via the U.K. tax authority, HM Revenue & Customs (HMRC) website to claim back the VAT paid on costs incurred in EU member states after the end of 2020.
Source Bloombergtax
