Leviticus 7:18-22

So if any of the flesh of the sacrifice of his peace offerings is ever eaten on the third day, he who offers it will not be accepted, and it will not be credited to him. It will be an unclean thing, and the person who eats it shall bear his punishment.

‘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,