Exodus 12:10
"And ye shall let nothing of it remain until the morning; and that which remaineth of it until the morning ye shall burn with fire."
Cross References (ranked by relevance)
Exodus 23:18
Thou shalt not offer the blood of my sacrifice with leavened bread; neither shall the fat of my sacrifice remain until the morning.
Exodus 34:25
Thou shalt not offer the blood of my sacrifice with leaven; neither shall the sacrifice of the feast of the passover be left unto the morning.
Leviticus 22:30
On the same day it shall be eaten up; ye shall leave none of it until the morrow: I am the LORD.
Exodus 29:34
And if ought of the flesh of the consecrations, or of the bread, remain unto the morning, then thou shalt burn the remainder with fire: it shall not be eaten, because it is holy.