Numbers 18:7-17

⁷And thou and thy sons after thee shall keep up your priestly ministration, according to the whole manner of the altar, and that which is within the veil; and ye shall minister in the services as the office of your priesthood; and the stranger that comes near shall die.

⁸And the Lord said to Aaron, And, behold, I have given you the charge of the first-fruits of all things consecrated to me by the children of Israel; and I have given them to thee as an honour, and to thy sons after thee for a perpetual ordinance.

⁹And let this be to you from all the holy things that are consecrated to me, even the burnt-offerings, from all their gifts, and from all their sacrifices, and from every trespass-offering of theirs, and from all their sin-offerings, whatever things they give to me of all their holy things, they shall be thine and thy sons'.

¹⁰In the most holy place shall ye eat them; every male shall eat them, thou and thy sons: they shall be holy to thee.

¹¹And this shall be to you of the first-fruits of their gifts, of all the wave-offerings of the children of Israel; to thee have I given them and to thy sons and thy daughters with thee, a perpetual ordinance; every clean person in thy house shall eat them.

¹²Every first-offering of oil, and every first-offering of wine, their first-fruits of corn, whatsoever they may give to the Lord, to thee have I given them.

¹³All the first-fruits that are in their land, whatsoever they shall offer to the Lord, shall be thine: every clean person in thy house shall eat them.

¹⁴Every devoted thing among the children of Israel shall be thine.

¹⁵And every thing that opens the womb of all flesh, whatsoever they bring to the Lord, whether man or beast, shall be thine: only the first-born of men shall be surely redeemed, and thou shalt redeem the first-born of unclean cattle.

¹⁶And the redemption of them shall be from a month old; their valuation of five shekels—it is twenty oboli according to the holy shekel.

¹⁷But thou shalt not redeem the first-born of calves and the first-born of sheep and the first-born of goats; they are holy: and thou shalt pour their blood upon the altar, and thou shalt offer the fat as a burnt-offering for a smell of sweet savour to the Lord.