Exodus 29:27-28

27And you shall consecrate the abreast of the wave offering that is waved and the bthigh of the priests’ portion that is contributed from the ram of cordination, from what was Aaron’s and his sons’. 28It shall be for Aaron and his sons as a dperpetual due from the people of Israel, for it is a econtribution. It shall be a fcontribution from the people of Israel from their peace offerings, their contribution to the Lord.

Leviticus 7:30

30 gHis own hands shall bring the Lord’s food offerings. He shall bring the fat with hthe breast, that the breast may be waved as a wave offering before the Lord.

Leviticus 7:32

32And ithe right thigh you shall give to the priest as a contribution from the sacrifice of your peace offerings.
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