Catechism of the Catholic Church §1269 — excerpt
Having become a member of the Church, the person baptized belongs no longer to himself, but to him who died and rose for us. From now on, he is called to be subject to others, to serve them in the communion of the Church, and…
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.
Also cites: LG 37 · CIC, cann. 208 223 · CCEO, can. 675:2