He was elected on the Civic Democratic Party ticket and sits with the European Conservatives and Reformists group.

The Brandt building began to be occupied in July 2007 by the external policies DG and the European Conservatives and Reformists group.

They continue to sit with Law and Justice in the European Conservatives and Reformists group, of which Michał Kamiński is the former Chairman.

He was returned as an MEP in the 2009 election, and was elected chairman of the new European Conservatives and Reformists group.

Muscardini has sat in the European Conservatives and Reformists group since October 2012.

He remains a member of the European Conservatives and Reformists group, to which both Law and Justice and Poland Comes First belongs.

Its MEPs are seated in the European Conservatives and Reformists group.

The ChristianUnion, formerly member of Ind/Dem left for the new European Conservatives and Reformists group.

He is the Chairman of the European Conservatives and Reformists group in the European Parliament, a position that he has held since 8 March 2011.

He sits in the European Conservatives and Reformists group, of which he is a Member of the Bureau on the group executive.