Leviticus 19:6

you shall eat it on the same day as when it was immolated, and the next day. Then whatever will remain on the third day you shall burn with fire

Other versions

King James Version

It shall be eaten the same day ye offer it, and on the morrow: and if ought remain until the third day, it shall be burnt in the fire.

English Standard Version

It shall be eaten the same day you offer it or on the day after, and anything left over until the third day shall be burned up with fire.

New International Version

It shall be eaten on the day you sacrifice it or on the next day; anything left over until the third day must be burned up.