Exodus 29:30

27 and thou hast sanctified the breast of the wave-offering, and the leg of the heave-offering, which hath been waved, and which hath been lifted up from the ram of the consecration, of that which [is] for Aaron, and of that which [is] for his sons;

28 and it hath been for Aaron and for his sons, by a statute age-during from the sons of Israel, for it [is] a heave-offering; and it is a heave offering from the sons of Israel, from the sacrifices of their peace-offerings -- their heave-offering to Jehovah.

29 `And the holy garments which are Aaron`s, are for his sons after him, to be anointed in them, and to consecrate in them their hand;

30 seven days doth the priest in his stead (of his sons) put them on, when he goeth in unto the tent of meeting, to minister in the sanctuary.

31 `And the ram of the consecration thou dost take, and hast boiled its flesh in the holy place;

32 and Aaron hath eaten -- his sons also -- the flesh of the ram, and the bread which [is] in the basket, at the opening of the tent of meeting;

33 and they have eaten those things by which there is atonement to consecrate their hand, to sanctify them; and a stranger doth not eat -- for they [are] holy;