IV. Offenses Against the Dignity of Marriage

From The Catechism of the Catholic Church

2383
The separation of spouses while maintaining the marriage bond can be legitimate
in certain cases provided for by canon law.¹⁷⁶
If civil divorce remains the only possible way of ensuring certain legal
rights, the care of the children, or the protection of inheritance, it can be
tolerated and does not constitute a moral offense.

PART THREE: LIFE IN CHRIST

SECTION TWO THE TEN COMMANDMENTS
- CHAPTER TWO YOU SHALL LOVE YOUR NEIGHBOR AS YOURSELF
  - Article 6 THE SIXTH COMMANDMENT
    - IV. Offenses Against the Dignity of Marriage

From The Catechism of the Catholic Church – rosary.team