Roman Catechism 18.55

Chapter 18 — Part II: The Sacraments — The Holy Eucharist

Section 55. They moreover express certain admirable fruits of the blood shed in the Passion of our Lord, fruits which pertain in a most special manner to this Sacrament. Of these, one is access to the eternal inheritance, which has come to us by right of the new and everlasting testament. Another is access to righteousness by the mystery of faith; for God hath set forth Jesus to be a propitiator through faith in his blood, that he himself may be just, and the justifier of him, who is of the faith of Jesus. Christ. A third effect is the remission of sins.