Numbers 18:23

18:23 But the Levites must perform the service of the tent of meeting, and they must bear their iniquity. It will be a perpetual ordinance throughout your generations that among the Israelites the Levites have no inheritance.

Numbers 19:2

19:2 “This is the ordinance of the law which the Lord has commanded: ‘Instruct the Israelites to bring you a red heifer without blemish, which has no defect and has never carried a yoke.

Numbers 27:11

27:11 and if his father has no brothers, then you are to give his inheritance to his relative nearest to him from his family, and he will possess it. This will be for the Israelites a legal requirement, as the Lord commanded Moses.’”