Leviticus 22:3
3 Say to them, ‘If any one of all your offspring throughout your generations approaches the holy things that the people of Israel dedicate to the Lord, while che has an uncleanness, that person shall be cut off from my presence: I am the Lord.
Exodus 28:38
38 It shall be on Aaron’s forehead, and Aaron shall tbear 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.
Deuteronomy 15:19
19 d“All 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.