Numbers 18:8

8Then the Lord spoke to Aaron, “Behold, aI have given you charge of the contributions made to me, all the consecrated things of the people of Israel. I have given them to you bas a portion and to your sons as a perpetual due.

Deuteronomy 18:1

Provision for Priests and Levites

1“The Levitical priests, all the tribe of Levi, cshall have no portion or inheritance with Israel. They dshall eat the Lord’s food offerings
Or  the offerings by fire to the Lord
as their
Hebrew his
inheritance.
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