Numbers 18:8

5 and ye have kept the charge of the sanctuary, and the charge of the altar, and there is no more wrath against the sons of Israel.

6 `And I, lo, I have taken your brethren the Levites from the midst of the sons of Israel; to you a gift they are given by Jehovah, to do the service of the tent of meeting;

7 and thou, and thy sons with thee, do keep your priesthood, for everything of the altar, and within the vail, and ye have served; a service of gift I make your priesthood; and the stranger who is coming near is put to death.`

8 And Jehovah speaketh unto Aaron: `And I, lo, I have given to thee the charge of My heave-offerings, of all the hallowed things of the sons of Israel -- to thee I have given them for the anointing, and to thy sons, by a statute age-during.

9 This is thine of the most holy things, from the fire: all their offering, to all their present, and to all their sin-offering, and to all their guilt-offering, which they give back to Me, is most holy to thee, and to thy sons;

10 in the holy of holies thou dost eat it; every male doth eat it; holy it is to thee.

11 `And this [is] thine: the heave-offering of their gift, to all the wave-offerings of the sons of Israel, to thee I have given them, and to thy sons, and to thy daughters with thee, by a statute age-during; every clean one in thy house doth eat it;