The EU has already launched legal proceedings against Britain over a unilateral six-month delay to imposing customs controls on goods arriving in Northern Ireland from Britain.
"The Irish government have sent a beautiful engraved bowl," a senior Biden administration told reporters, asking not to be identified. "We will be able to preserve this part of the bilateral meeting."
Political editor Laura Kuenssberg said Cabinet Office Secretary Michael Gove had written to the European Commission's vice president, Maros Sefcovic, to ask for urgent political solutions.