Exodus 29:34 (KJV)

And the holy garments of Aaron shall be his sons' after him, to be anointed therein, and to be consecrated in them.

And that son that is priest in his stead shall put them on seven days, when he cometh into the tabernacle of the congregation to minister in the holy place.

And thou shalt take the ram of the consecration, and seethe his flesh in the holy place.

And Aaron and his sons shall eat the flesh of the ram, and the bread that is in the basket by the door of the tabernacle of the congregation.

And they shall eat those things wherewith the atonement was made, to consecrate and to sanctify them: but a stranger shall not eat thereof, because they are holy.

And thus shalt thou do unto Aaron, and to his sons, according to all things which I have commanded thee: seven days shalt thou consecrate them.

And thou shalt offer every day a bullock for a sin offering for atonement: and thou shalt cleanse the altar, when thou hast made an atonement for it, and thou shalt anoint it, to sanctify it.

Seven days thou shalt make an atonement for the altar, and sanctify it; and it shall be an altar most holy: whatsoever toucheth the altar shall be holy.

Now this is that which thou shalt offer upon the altar; two lambs of the first year day by day continually.

The one lamb thou shalt offer in the morning; and the other lamb thou shalt offer at even: