Congregation (Roman Curia)
In the Roman Curia of the Catholic Church, a congregation () is a type of department of the Curia. They are second-highest-ranking departments, ranking below the two Secretariats, and above the pontifical councils, pontifical commissions, tribunals and offices. Originally, congregations were select groups of cardinals drawn from the College of Cardinals, commissioned to take care of some field of activity that concerned the Holy See. Today, as a result of a decision of the Second Vatican Council, members include diocesan bishops from diverse parts of the world who are not cardinals. Each congregation also has a permanent staff. Each congregation is led by a Prefect, who is usually a cardinal. Until recently, a non-cardinal appointed to head a congregation was styled pro-prefect until made a cardinal. This practice has been abandoned. History and functioning Certain curial departments have been organized by the Holy See at various times to assist it in the transaction of those affairs which canonical discipline and the individual interests of the faithful bring to Rome. Among the most important were the Roman Congregations, traditionally comprising cardinals who assist the pope in the administration of the affairs of the Church. Under the current law, the dicasteries are