On 23 August, HMRC published 2 news releases on –
- How trade with EU countries might change if the UK leaves the EU with ‘no deal’ on 29 March 2019; and
- How VAT rules for UK businesses trading with EU countries would be affected if the UK leaves the EU with no deal.
https://www.gov.uk/government/publications/trading-with-the-eu-if-theres-no-brexit-deal
https://www.gov.uk/government/publications/vat-for-businesses-if-theres-no-brexit-deal
See also the Out-Law article re the advice –
VAT will not have to be paid at the border in the event of no-deal Brexit
https://www.out-law.com/en/articles/2018/august/border-vat-no-deal-brexit/