Leviticus 7:1-3

American Standard Version

7 And this is the law of the trespass-offering: it is most holy. ² In the place where they kill the burnt-offering shall they kill the trespass-offering; and the blood thereof shall he sprinkle upon the altar round about. ³ And he shall offer of it all the fat thereof: the fat tail, and the fat that covereth the inwards,