Leviticus 20:2

20:2 “You are to say to the Israelites, ‘Any man from the Israelites or from the foreigners who reside in Israel who gives any of his children to Molech must be put to death; the people of the land must pelt him with stones.

Leviticus 22:3

22:3 Say to them, ‘Throughout your generations, if any man from all your descendants approaches the holy offerings which the Israelites consecrate to the Lord while he is impure, that person must be cut off from before me. I am the Lord.