If someone incurs guilt in one of these cases, he is to confess he has committed that sin.
Proverbs 28:13 CSB
The one who conceals his sins will not prosper, but whoever confesses and renounces them will find mercy.
Psalm 32:5 CSB
Then I acknowledged my sin to you and did not conceal my iniquity. I said, “I will confess my transgressions to the Lord,” and you forgave the guilt of my sin. Selah
Romans 10:9–10 CSB
If you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. One believes with the heart, resulting in righteousness, and one confesses with the mouth, resulting in salvation.
James 5:16 CSB
Therefore, confess your sins to one another and pray for one another, so that you may be healed. The prayer of a righteous person is very powerful in its effect.
1 John 1:9 CSB
If we confess our sins, he is faithful and righteous to forgive us our sins and to cleanse us from all unrighteousness.