Numbers 18:11
“The contribution of their gifts also belongs to you. I have given all the Israelites’ presentation offerings to you and to your sons and daughters as a permanent statute.
Deuteronomy 18:3
This is the priests’ share from the people who offer a sacrifice, whether it is an ox, a sheep, or a goat; the priests are to be given the shoulder, jaws, and stomach.
Exodus 29:27-28
Consecrate for Aaron and his sons
Leviticus 10:14
But you and your sons and your daughters may eat the breast of the presentation offering and the thigh of the contribution in any ceremonially clean place, because these portions have been assigned to you and your children from the Israelites’ fellowship sacrifices.
Leviticus 7:14
From the cakes he must present one portion of each offering as a contribution
Leviticus 7:30-34
His own hands will bring the fire offerings to the Lord. He will bring the fat together with the breast. The breast is to be waved as a presentation offering
Leviticus 22:1-16
The Lord spoke to Moses:
Numbers 18:8
Then the Lord spoke to Aaron, “Look, I have put you in charge of the contributions brought to Me. As for all the holy offerings of the Israelites, I have given them to you and your sons as a portion and a permanent statute.