Businesses appeared to receive contradictory advice on customs procedures in the event of no-deal

Industry leaders have attacked “confused” advice on how companies can trade with the European Union after a no-deal Brexit as the government modifies its official guidance.

Over the weekend, London and Brussels were forced to clarify information for businesses that export to continental Europe. Officials conceded they “could have been clearer” about what firms need to do before October 31 to continuing supplying customers across the Channel.

Tens of thousands of business owners and bosses were left confused last week about customs procedures. Advice from the government and the European Commission gave the impression that they would need to apply to Brussels for an identification code as well as getting one from Revenue and Customs.

This contradicted Sajid Javid, the chancellor, who announced