britain should consider postponing its official departure from the european union because many key negotiating issues still remain unresolved a year before the uk will leave the bloc, a key committee of british lawmakers has suggested.the house of commons exiting the eu committee said on sunday that if the government fails to resolve major aspects of the future relationship with the eu by october, britain should opt for a `limited extension` of its eu membership.britain and the eu are negotiating to strike a deal on future relations by the fall so national parliaments can approve it before britain officially leaves the bloc on march 29, 2019, almost three years after the referendum vote for brexi.`if substantial aspects of the future partnership remain to be agreed in october 2018, the government should seek a limited extension to the article 50 time,` said the committee, whose members mainly supported staying in the eu during the 2016 referendum.hilary benn, who chairs the committee, said negotiations with the eu were now at `a critical stage... with just seven months left to reach agreement on a whole host of highly complex issues.`the two sides have agreed in principle that the uk will continue to remain part of the eu's structures and rules until the end of 2020.the lawmakers expressed concern that there has been `little progress` in solving the key issue of how to maintain an open border between northern ireland and the republic of ireland after brexit.an opposi...