Exodus 40:10-14

You shall also anoint the altar of burnt offering and all its utensils, and consecrate the altar, and the altar shall be most holy.

And you shall anoint the basin and its stand, and consecrate it.

Then you shall bring Aaron and his sons to the doorway of the tent of meeting and wash them with water.

And you shall put the holy garments on Aaron and anoint him and consecrate him, so that he may serve as a priest to Me.

You shall also bring his sons and put tunics on them;