CCC 1262

The different effects of Baptism are signified by the perceptible elements of the sacramental rite. Immersion in water symbolizes not only death and purification, but also regeneration and renewal. Thus the two principal effects are purification from sins and new birth in the Holy Spirit.⁶⁴ Cf. Acts 2:38; Jn 3:5. For the forgiveness of sins . . .