I. The Natural Moral Law

From The Catechism of the Catholic Church

1956
The natural law, present in the heart of each man and established by reason, is
universal in its precepts and its authority extends to all men. It expresses
the dignity of the person and determines the basis for his fundamental rights
and duties:

PART THREE: LIFE IN CHRIST

SECTION ONE MAN’S VOCATION LIFE IN THE SPIRIT
- CHAPTER THREE GOD’S SALVATION: LAW AND GRACE
  - Article 1 THE MORAL LAW
    - I. The Natural Moral Law

From The Catechism of the Catholic Church – rosary.team