Leviticus 7
18 Ref And if any of the flesh of the sacrifice of his peace-offerings be eaten on the third day, it shall not be accepted, neither shall it be imputed unto him that offereth it: it shall be an abomination, and the soul that eateth of it shall bear his iniquity.
19 Ref And the flesh that toucheth any unclean thing shall not be eaten; it shall be burnt with fire. And as for the flesh, every one that is clean shall eat thereof: