NET

30 “You are to put the Urim and the Thummim into the breastpiece of decision; and they are to be over Aaron’s heart when he goes in before the Lord. Aaron is to bear the decisions of the Israelites over his heart before the Lord continually.

Darby

30 And thou shalt put into the breastplate of judgment the Urim and the Thummim, that they may be upon Aaron's heart when he goeth in before Jehovah; and Aaron shall bear the judgment of the children of Israel upon his heart before Jehovah continually.

KJV

30 And thou shalt put in the breastplate of judgment the Urim and the Thummim; and they shall be upon Aaron's heart, when he goeth in before the LORD: and Aaron shall bear the judgment of the children of Israel upon his heart before the LORD continually.