Exodus 29:22

29:22 “You are to take from the ram the fat, the fat tail, the fat that covers the entrails, the lobe of the liver, the two kidneys and the fat that is on them, and the right thigh – for it is the ram for consecration

Exodus 29:26

29:26 You are to take the breast of the ram of Aaron’s consecration; you are to wave it as a wave offering before the Lord, and it is to be your share.

Exodus 29:28

29:28 It is to belong to Aaron and to his sons from the Israelites, by a perpetual ordinance, for it is a contribution. It is to be a contribution from the Israelites from their peace offerings, their contribution to the Lord.