Exodus 28:30
“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.”
And they shall bind the breastplate by the rings thereof unto the rings of the ephod with a lace of blue, that it may be above the curious girdle of the ephod, and that the breastplate be not loosed from the ephod.
And Aaron shall bear the names of the children of Israel in the breastplate of judgment upon his heart, when he goeth in unto the holy place, for a memorial before the Lord continually.
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.
And thou shalt make the robe of the ephod all of blue.
And there shall be an hole in the top of it, in the midst thereof: it shall have a binding of woven work round about the hole of it, as it were the hole of an habergeon, that it be not rent.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And the Tirshatha said unto them, that they should not eat of the most holy things, till there stood up a priest with Urim and Thummim.”
“And the Tirshatha said unto them, that they should not eat of the most holy things, till there stood up a priest with Urim and with Thummim.”
“And of Levi he said, Let thy Thummim and thy Urim be with thy holy one, whom thou didst prove at Massah, and with whom thou didst strive at the waters of Meribah;”
“And he put the breastplate upon him: also he put in the breastplate the Urim and the Thummim.”
“And he shall stand before Eleazar the priest, who shall ask counsel for him after the judgment of Urim before the Lord: at his word shall they go out, and at his word they shall come in, both he, and all the children of Israel with him, even all the congregation.”