CCC 1305
© Libreria Editrice Vaticana Source: vatican.va
This "character" perfects the common priesthood of the faithful, received in Baptism, and "the confirmed person receives the power to profess faith in Christ publicly and as it were officially (quasi ex officio)." St. Thomas Aquinas, STh III, 72, 5, ad 2.
Read the full chapter 1. The Sacraments of Christian Initiation ¶1212–1419