Leviticus 10:10

10:10 as well as to distinguish between the holy and the common, and between the unclean and the clean,

Leviticus 10:17-18

10:17 “Why did you not eat the sin offering in the sanctuary? For it is most holy and he gave it to you to bear the iniquity of the congregation, to make atonement on their behalf before the Lord. 10:18 See here! Its blood was not brought into the holy place within! You should certainly have eaten it in the sanctuary just as I commanded!”