Leviticus 7:34; Leviticus 7:36

34 From the fellowship offerings of the Israelites, I have taken the breast that is waved and the thigh that is presented and have given them to Aaron the priest and his sons as their perpetual share from the Israelites.’ ”

36 On the day they were anointed, the LORD commanded that the Israelites give this to them as their perpetual share for the generations to come.