Deuteronomy 17:2

“And he who sacrifices to any god, other than to Yahweh alone, shall be devoted to destruction.

“If your brother, your mother’s son, or your son or daughter, or the wife you cherish, or your friend who is as your own soul, entices you secretly, saying, ‘Let us go and serve other gods’ (whom neither you nor your fathers have known,

Indeed, he rebuilt the high places which Hezekiah his father had destroyed; and he erected altars for Baal and made an Asherah, as Ahab king of Israel had done, and worshiped all the host of heaven and served them.

That too would have been an iniquity calling for judgment, For I would have denied God above.

‘And I will give the men who have trespassed against My covenant, who have not established the words of the covenant which they cut before Me, when they cut the calf in two and passed between its parts—

Anyone who has set aside the Law of Moses dies without mercy by the mouth of two or three witnesses.