Leviticus 5:1-2

Young's Literal Translation

5 `And when a person doth sin, and hath heard the voice of an oath, and he [is] witness, or hath seen, or hath known -- if he declare not, then he hath borne his iniquity:

² `Or when a person cometh against any thing unclean, or against a carcase of an unclean beast, or against a carcase of unclean cattle, or against a carcase of an unclean teeming creature, and it hath been hidden from him, and he unclean, and guilty;