This study was commissioned by the European Parliament’s Policy Department
for Citizens’ Rights and Constitutional Affairs at the request of the Committee
on Constitutional Affairs of the European Parliament. It assesses the
implementation of the Treaty of Lisbon provisions on national parliaments as
well as other related developments since 2009. The issues that are specifically
investigated include the treaty provisions regarding national parliaments, Early
Warning Mechanism, dialogue between national parliaments and the European
Commission, the extending networks of inter-parliamentary cooperation, the
parliamentary dimension of the budgetary and economic coordination and
finally, the challenges raised by the on-going developments of the European
legislative procedure.