‏ 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.

Copyright information for ESV