Leviticus 7:19-23

‘Also the flesh that touches anything unclean shall not be eaten; it shall be burned with fire. As for other flesh, anyone who is clean may eat such flesh.

But the person who eats the flesh of the sacrifice of peace offerings which belong to the Lord, when he is unclean, that person shall be cut off from his people.

When anyone touches anything unclean, whether human uncleanness, or an unclean animal, or any unclean detestable thing, and eats of the flesh of the sacrifice of peace offerings which belong to the Lord, that person shall be cut off from his people.’ ”

Then the Lord spoke to Moses, saying,

“Speak to the sons of Israel, saying, ‘You shall not eat any fat from an ox, a sheep, or a goat.