Catechism of the Catholic Church §1686 — excerpt
The Order of Christian Funerals (Ordo exsequiarum) of the Roman liturgy gives three types of funeral celebrations, corresponding to the three places in which they are conducted (the home, the church, and the cemetery), and according to the importance attached to them by the family, local customs, the culture, and popular piety.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.