brussels eu envoys discuss wednesday delay next year launch talk london post-brexit relationship raise risk businesses shift britain due lack clarity happen march 2019. meet ambassadors 27 eu state due start discuss negotiate transition would start britain quit bloc 17 months instead people familiar talk tell reuters discussion dominate concern london would fail meet eu condition next month open future negotiations lead power germany france insist british prime minister theresa may agree principle pay exit bill tens billions euros brussels eu leaders agree open second phase brexit negotiations future relationship tell may summit last month ready next meet dec. 14. british negotiators brussels thursday friday talk financial settlement well right eu citizens irish border think sail ahead next phase eu official familiar envoys discussions say transition future relationship formally agenda ambassadors focus much real concern uk realize eu27 deadly serious need meet sufficient progress mark three first-phase issue may struggle loss second scandal-hit cabinet minister week germany france others ramp pressure cut deal knowledge businesses pile demand clarity make investment decisions new year focus much fact uk far away meet sufficient progress point rapidly run time official add several diplomats give similar account meet pressure rush really must come money one senior eu diplomat say european parliament must approve withdrawal treaty add voice wednesday brexit coordinator guy verhofstadt say may suggestion agreement close citizens right wide mark major issue remain unresolved guarantee right eu nationals eu official say ambassadors agree without sufficient progress divorce issue next month talk would simply extend 2018 discussions future talk london keen start immediately move early december think next senior diplomat say could take leave offer us would clearly nice britain home would fall immense pressure walk away talk brexit backers government urge may walk without withdrawal deal argue eu also interest orderly split british economy stand disruption view share many businesses several eu officials say britain would abide eu laws transition period even change time would vote transition side say last less two years might extend give time trade pact impossible get bespeak trade deal two years say eu parliament official deal brexit time uk would eu colony force accept laws say call definition colony eu state see britain fail meet brexit divorce term