MEPs debate Malta's EU presidency, last month's summit of EU leaders - and hold elections to choose the Parliament's 14 vice-presidents.
Brexit Secretary David Davis tells MPs that the UK cannot remain a member of the EU single market; and that Parliament will vote on a final Brexit deal.
MSPs debate Brexit, after Theresa May's announces plans to take the UK out of the EU's single market.
Plenary begins with Questions to the First Minister. Members vote on the next stage of devolution outlined in the Wales Bill. and a debate is held on the Local Government Settlement 2017-18.
Coverage of Tuesday at the Northern Ireland Assembly, as MLAs support a call for a public inquiry into the botched £1.2bn Renewable Heat Incentive scheme.
Brexit will dominate the week's Parliamentary statements, with anticipation over the Supreme Court ruling, and Theresa May's speech due.