Exodus 40:10-14

And thou shalt anoint the altar of the burnt offering, and all his vessels, and sanctify the altar: and it shall be an altar most holy.

And thou shalt anoint the laver and his foot, and sanctify it.

And thou shalt bring Aaron and his sons unto the door of the tabernacle of the congregation, and wash them with water.

And thou shalt put upon Aaron the holy garments, and anoint him, and sanctify him; that he may minister unto me in the priest’s office.

And thou shalt bring his sons, and clothe them with coats: