Leviticus 22:2-4

Amplified Bible

² “Tell Aaron and his sons to be careful with the holy things (offerings, gifts) which the children of Israel dedicate to Me, so that they do not profane My holy name; I am the Lord. ³ Say to them, ‘Any one of your descendants throughout your generations who approaches the holy things which the Israelites dedicate to the Lord, while he is [ceremonially] unclean, that person shall be cut off from My presence and excluded from the sanctuary; I am the Lord. ⁴ No man of the descendants of Aaron who is a leper or has a discharge may eat the holy things [the offerings and the showbread] until he is clean. And whoever touches any person or thing made unclean by contact with a corpse or a man who has had a seminal emission,