"If there is no profitability of continuing operations in the United Kingdom - not Japanese only - then no private company can continue operations", Koji Tsuruoka told reporters on Downing Street when asked how real the threat was to Japanese companies of Britain not securing frictionless European Union trade.
Major corporations have sought a two-year transition period, which they hope will ease Britain into its new relationship with the bloc.
The planned time-limited period is created to provide certainty to businesses, but the Cabinet is also under intense pressure to agree a negotiating position on what will follow the transition.
"The point about frictionless trade and tariff-free trade was made in the meeting and acknowledged by the government and all sides as being important but nothing firm", said the source, who spoke on condition of anonymity.
"Her approach is to seek a deal that is bold, in the best interests of the United Kingdom and that will carry widespread support".
She is meeting for a second day with her key Brexit committee as they thrash out their negotiating strategy.
The Government wants a transition deal agreed at March's European Council summit.
GETTYAn insider said people lived up to stereotypes in the cabinet meeting
Mr Davis said that the proposals to sanction Britain were "not in good faith" and the decision by Brussels to publish the proposals were "unwise".
Executives from the three vehicle makers will be joined by colleagues from banking and drug companies.
Koji Tsuruoka said Japanese firms "have a high stake" in the outcome of divorce negotiations between Britain and the EU.
Downing St. said that after Brexit, "the United Kingdom and Japan will work quickly to establish a new economic partnership" based on a free-trade deal the bloc is finalizing with Japan.
Bakels said in his ruling that "there has to be more clarity about the consequences of Brexit for European Union citizenship". The court has passed their queries on to the European Court of Justice.
The EU's highest court has been asked to rule on whether British nationals should be able to keep their EU citizenship after Brexit, in a major upset that could send negotiations between Brussels and the United Kingdom into chaos.
A series of European Commission documents warned companies what would happen in the event of a "no deal" Brexit.
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