In the tent of meeting, outside the curtain that is before the covenant, Aaron and his sons shall tend it from evening to morning before the Lord. It shall be a perpetual ordinance to be observed throughout their generations by the Israelites.
Then Moses took some of the anointing oil and some of the blood that was on the altar and sprinkled them on Aaron and his vestments and also on his sons and their vestments. Thus he consecrated Aaron and his vestments and also his sons and their vestments.
I chose him out of all the tribes of Israel to be my priest, to go up to my altar, to offer incense, to wear an ephod before me, and I gave to the family of your ancestor all my offerings by fire from the Israelites.