III. How is the Sacrament of Baptism Celebrated?

From The Catechism of the Catholic Church

1235
The sign of the cross, on the threshold of the celebration, marks with the
imprint of Christ the one who is going to belong to him and signifies the grace
of the redemption Christ won for us by his cross.

PART TWO: THE CELEBRATION OF THE CHRISTIAN MYSTERY

SECTION TWO THE SEVEN SACRAMENTS OF THE CHURCH
- CHAPTER ONE THE SACRAMENTS OF CHRISTIAN INITIATION
  - Article 1 THE SACRAMENT OF BAPTISM
    - III. How is the Sacrament of Baptism Celebrated?

From The Catechism of the Catholic Church – rosary.team