The Lord commanded this to be given to them by the children of Israel, on the day that He anointed them, by a statute forever throughout their generations.
Then Moses took some of the anointing oil and some of the blood which was on the altar, and sprinkled it on Aaron, on his garments, on his sons, and on the garments of his sons with him; and he consecrated Aaron, his garments, his sons, and the garments of his sons with him.
Did I not choose him out of all the tribes of Israel to be My priest, to offer upon My altar, to burn incense, and to wear an ephod before Me? And did I not give to the house of your father all the offerings of the children of Israel made by fire?
In the tabernacle of meeting, outside the veil which is before the Testimony, Aaron and his sons shall tend it from evening until morning before the Lord. It shall be a statute forever to their generations on behalf of the children of Israel.