Daniel 6:12 CEB

[12] They then went and talked to the king about the law: “Your Majesty! Didn’t you sign a law, that for thirty days any person who prays to any god or human being besides you, Your Majesty, would be thrown into a pit of lions?” The king replied, “The decision is absolutely firm in accordance with the law of Media and Persia, which cannot be annulled.”