brussels theresa may must deliver offer brexit divorce package week want european union leaders grant britain request talk future free trade meet next week eu diplomats officials say tuesday failure could mean delay february add risk businesses scale back investment plan britain uncertainty cloud outlook beyond brexit march 2019. deadline deadlines week one senior eu diplomat say day prime minister leave brussels empty-handed northern irish ally denounce offer border ireland present may find difficult come formula satisfy eu member ireland want avoid creation hard border northern ireland dup party say british province must quit eu term rest uk tentative deal border promise regulatory alignment side island ireland agree monday late reject dup say allow divergence regulation northern ireland part uk brussels officials say reason doubt confidence express london may would sort hitch come days expect return brief eu brexit negotiators early wednesday warn member state include powerhouses germany france grow nervous enough time scrutinize draft guidelines trade negotiations receive week summit next friday leaders would approve proposal come week eu 27 enough time prepare new guidelines summit diplomat say leaders already grumble deadline miss monday tight governments refuse sign proposals eu seek post-brexit free trade deal london may hop able show guidelines home trophy exchange give eu divorce demand would thwart trade offer make dec. 15 summit senior eu official say whole process might put back february delay could increase pressure home may raise risk disrupt exist process summit chair donald tusk say monday plan distribute draft negotiate guidelines member state tuesday eu executive negotiator michel barnier give crucial signal britain make sufficient progress three key elements divorce bind previous eu internal agreements share draft may formally commit britain cover outstanding eu payments guarantee eu citizens right open border northern ireland tusk must wait may return eu negotiator michel barnier sign deal guidelines likely include commitment two-year status-quo transition period may ask scrutinize closely eu capitals 27 hold common front make britain pay past commitments vary interest trade deal want time ensure guidelines defend position leaders advisers know sherpas meet brussels monday prepare summit less time digest tusk draft negotiate guidelines short less detail likely say eu officials expect detail set guidelines prepare late 'deadline deadlines brexit divorce talk week