Leviticus 19:7

19:7 If, however, it is eaten on the third day, it is spoiled, it will not be accepted,

Leviticus 7:18

7:18 If some of the meat of his peace offering sacrifice is ever eaten on the third day it will not be accepted; it will not be accounted to the one who presented it, since it is spoiled, and the person who eats from it will bear his punishment for iniquity.