“He shall offer all of its fat: the fat tail, and the fat that covers the innards,”
Leviticus 7:3 (WEB)
Context Reading
1“‘This is the law of the trespass offering: It is most holy. 2In the place where they kill the burnt offering, he shall kill the trespass offering; and its blood he shall sprinkle around on the altar. 3He shall offer all of its fat: the fat tail, and the fat that covers the innards, 4and he shall take away the two kidneys, and the fat that is on them, which is by the loins, and the cover on the liver, with the kidneys; 5and the priest shall burn them on the altar for an offering made by fire to Yahweh: it is a trespass offering.