298. When did he institute this sacrament (Reconciliation)?The risen Lord instituted this sacrament on the evening of Easter when he showed himself to his apostles and said to them, "Receive the Holy Spirit. If you forgive the sins of any, they are forgiven; if you retain the sins of any, they are retained." (
John 20:22-23).
Further reading: CCC 1485299. Do the baptized have need of conversion?
The call of Christ to conversion continue to resound in the lives of the baptized. Conversion is a continuing obligation for the whole Church. She is holy but includes sinners in her midst.
Further reading: CCC 1427-1429