London (CNN) The British government formally set out details for the first time Thursday of its strategy for Britain's departure from the European Union. The 77-page "white paper" was published a day after lawmakers voted overwhelmingly in favor of a bill that once finalized would give May the authority to invoke Article 50 of the Lisbon Treaty -- the formal process of leaving the EU. It contained few clues about the government's overall strategy that were not evident in a speech delivered by Prime Minister Theresa May in January. But it fleshed out aspects of May's plan in some key areas.The white paper gives more details on the UK government's negotiating strategyTheresa May gave a speech last month which outlined her priorities
However, there are doubts that the _ could maintain an open border with an EU member state -- and the white paper acknowledges the doubts, saying only that the government "aims" to maintain the current arrangements. The paper reiterates May's recent announcement that _ will not remain in the union's single market but will instead seek "the freest and most frictionless trade possible in goods and services between the UK and the EU."