Leviticus 22:2; Leviticus 22:3

2 "Tell Aaron and his sons to be careful with the holy gifts of the sons of Israel, which they dedicate to Me, so as not to profane My holy name; I am the LORD .

3 "Say to them, 'If any man among all your descendants throughout your generations approaches the holy gifts which the sons of Israel dedicate to the LORD , while he has an uncleanness, that person shall be cut off from before Me; I am the LORD .