Code of Canon Law CHAPTER III.
Can. 987 To receive the salvific remedy of the sacrament of penance, a member of the Christian faithful must be disposed in such a way that, rejecting sins committed and having a purpose of amendment, the person is turned back to God.
Can. 988 §1. A member of the Christian faithful is obliged to confess in kind and number all grave sins committed after baptism and not yet remitted directly through the keys of the Church nor acknowledged in individual confession, of which the person has knowledge after diligent examination of conscience.
§2. It is recommended to the Christian faithful that they also confess venial sins.
Can. 989 After having reached the age of discretion, each member of the faithful is ob-liged to confess faithfully his or her grave sins at least once a year.
Can. 990 No one is prohibited from confessing through an interpreter as long as abuses and scandals are avoided and without prejudice to the prescript of ⇒ can. 983, §2.
Can. 991 Every member of the Christian faithful is free to confess sins to a legitimately approved confessor of his or her choice, even to one of another rite.