Numbers 5:6-7

5:6 “Tell the Israelites, ‘When a man or a woman commits any sin that people commit, thereby breaking faith with the Lord, and that person is found guilty, 5:7 then he must confess his sin that he has committed and must make full reparation, add one fifth to it, and give it to whomever he wronged.

Numbers 12:11

The Intercession of Moses

12:11 So Aaron said to Moses, “O my lord, please do not hold this sin against us, in which we have acted foolishly and have sinned!

Numbers 32:23

32:23 “But if you do not do this, then look, you will have sinned against the Lord. And know that your sin will find you out.