Exodus 29:33

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;

34 and if there be left of the flesh of the consecration or of the bread till the morning, then thou hast burned that which is left with fire; it is not eaten, for it [is] holy.

35 `And thou hast done thus to Aaron and to his sons, according to all that I have commanded thee; seven days thou dost consecrate their hand;

36 and a bullock, a sin-offering, thou dost prepare daily for the atonements, and thou hast atoned for the altar, in thy making atonement on it, and hast anointed it to sanctify it;