II. The Signs and the Rite of Confirmation

From The Catechism of the Catholic Church

1297
The consecration of the sacred chrism is an important action that precedes the
celebration of Confirmation, but is in a certain way a part of it. It is the
bishop who, in the course of the Chrism Mass of Holy Thursday, consecrates the
sacred chrism for his whole diocese. In some Eastern Churches this consecration
is even reserved to the patriarch:

PART TWO: THE CELEBRATION OF THE CHRISTIAN MYSTERY

SECTION TWO THE SEVEN SACRAMENTS OF THE CHURCH
- CHAPTER ONE THE SACRAMENTS OF CHRISTIAN INITIATION
  - Article 2 THE SACRAMENT OF CONFIRMATION
    - II. The Signs and the Rite of Confirmation

From The Catechism of the Catholic Church – rosary.team