Historical usage

• The Roman Curia
  Roman Curia
  The Roman Curia is the administrative apparatus of the Holy See and the central governing body of the entire Catholic Church, together with the Pope...
  
   before the reforms of Paul VI, which was mostly exclusive to Cardinals, and did not include many laymen, priests or titular bishops.
• The College of Cardinals
  College of Cardinals
  The College of Cardinals is the body of all cardinals of the Catholic Church.A function of the college is to advise the pope about church matters when he summons them to an ordinary consistory. It also convenes on the death or abdication of a pope as a papal conclave to elect a successor...
  
  , sometimes referred to as the Council of Cardinals.

Modern usages

• The Council of Cardinals for the Study of the Organizational and Economic Problems of the Holy See
• Commission of Cardinals for the Pontifical Shrines of Pompeii, Loreto and Bari
• Commission of Cardinals for Historical Studies
• Commission of Cardinals for the inquiry into the Dutch Catechism
  Dutch Catechism
  The Dutch Catechism of 1966, the first post-Vatican II Catholic catechism, reflects the Magisterium of the Dutch bishops. It was commissioned and authorized by the Catholic hierarchy of the Netherlands.- Summary :...
  
  
• Commission of Cardinals for the investigation of the Lefebvre situation
• Commission of Cardinals for the creation of the modern Code of Canon Law
• Commission of Cardinals for the lifting of restrictions on the Tridentine Mass
• Commission of Cardinals for the creation of the Catechism of the Catholic Church
  Catechism of the Catholic Church
  The Catechism of the Catholic Church is the official text of the teachings of the Catholic Church. A provisional, "reference text" was issued by Pope John Paul II on October 11, 1992 — "the thirtieth anniversary of the opening of the Second Vatican Ecumenical Council" — with his apostolic...