Leviticus 22:29-31

American Standard Version

²⁹ And when ye sacrifice a sacrifice of thanksgiving unto Jehovah, ye shall sacrifice it that ye may be accepted. ³⁰ On the same day it shall be eaten; ye shall leave none of it until the morning: I am Jehovah. ³¹ Therefore shall ye keep my commandments, and do them: I am Jehovah.