During the Plenary Assembly, the ordinary work of the Polish Bishops' Conference takes place and the most important decisions concerning the Church in Poland are taken. All members of the Conference have the right and duty to participate in the Assembly. At the invitation of the President of the Polish Bishops' Conference, the Apostolic Nuncio participates in the Assembly. Ordinary plenary assemblies are held twice a year, and extraordinary ones at the request of the Presidium.