Numbers 18:21-29 And, behold, I have given the children of Levi all the tenth in Israel for an inheritance, for their service which they serve, even the service of the tabernacle of the congregation.

AKJV⁽ⁱ⁾ ²¹ And, behold, I have given the children of Levi all the tenth in Israel for an inheritance, for their service which they serve, even the service of the tabernacle of the congregation. ²² Neither must the children of Israel from now on come near the tabernacle of the congregation, lest they bear sin, and die. ²³ But the Levites shall do the service of the tabernacle of the congregation, and they shall bear their iniquity: it shall be a statute for ever throughout your generations, that among the children of Israel they have no inheritance. ²⁴ But the tithes of the children of Israel, which they offer as an heave offering to the LORD, I have given to the Levites to inherit: therefore I have said to them, Among the children of Israel they shall have no inheritance. ²⁵ And the LORD spoke to Moses, saying, ²⁶ Thus speak to the Levites, and say to them, When you take of the children of Israel the tithes which I have given you from them for your inheritance, then you shall offer up an heave offering of it for the LORD, even a tenth part of the tithe. ²⁷ And this your heave offering shall be reckoned to you, as though it were the corn of the threshing floor, and as the fullness of the wine press. ²⁸ Thus you also shall offer an heave offering to the LORD of all your tithes, which you receive of the children of Israel; and you shall give thereof the LORD's heave offering to Aaron the priest. ²⁹ Out of all your gifts you shall offer every heave offering of the LORD, of all the best thereof, even the hallowed part thereof out of it.