Numbers 18:20-25

²⁰And the Lord said to Aaron, You will have no heritage in their land, or any part among them; I am your part and your heritage among the children of Israel.

²¹And to the children of Levi I have given as their heritage all the tenths offered in Israel, as payment for the work they do, the work of the Tent of meeting.

²²In future the children of Israel are not to come near the Tent of meeting, so that death may not come to them because of sin.

²³But the Levites are to do the work of the Tent of meeting, and be responsible for errors in connection with it: this is a law for ever through all your generations; and among the children of Israel they will have no heritage.

²⁴For the tenths which the children of Israel give as a lifted offering to the Lord I have given to the Levites as their heritage. and so I have said to them, Among the children of Israel they will have no heritage.

²⁵And the Lord said to Moses,