Exodus 29:7

4 You shall bring Aaron and his sons to the door of the tent of meeting, and shall wash them with water.

5 You shall take the garments, and put on Aaron the coat, the robe of the ephod, the ephod, and the breastplate, and dress him with the skillfully woven band of the ephod;

6 and you shall set the turban on his head, and put the holy crown on the turban.

7 Then you shall take the anointing oil, and pour it on his head, and anoint him.

8 You shall bring his sons, and put coats on them.

9 You shall dress them with belts, Aaron and his sons, and bind headbands on them: and they shall have the priesthood by a perpetual statute: and you shall consecrate Aaron and his sons.

10 "You shall bring the bull before the tent of meeting: and Aaron and his sons shall lay their hands on the head of the bull.