And it shall be, when... — When he feels that he has been guilty of one of these sins specified in Leviticus 5:1-4, he must confess the offence which he has committed. For the form of confession which obtained during the second Temple, see Leviticus 1:4.
Related Commentaries of Leviticus 5:5
Leviticus 5:5
5 And it shall be, when he shall be guilty in one of these things, that he shall confess that he hath sinned in that thing: