Exodus 13:12

12 ayou shall set apart to the Lord all that first opens the womb. All the firstborn of your animals that are males shall be the Lord’s.

Exodus 28:38

38It shall be on Aaron’s forehead, and Aaron shall bbear any guilt from the holy things that the people of Israel consecrate as their holy gifts. It shall regularly be on his forehead, that they may be accepted before the Lord.

Numbers 18:32

32And you shall cbear no sin by reason of it, when you have contributed the best of it. But you shall not dprofane the holy things of the people of Israel, lest you die.’”

Deuteronomy 15:19

19 eAll the firstborn males that are born of your herd and flock you shall dedicate to the Lord your God. You shall do no work with the firstborn of your herd, nor shear the firstborn of your flock.
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