Leviticus 3:8-9

⁸he shall set his hand upon the head of his sacrifice, that shall be offered in the porch of the tabernacle of witnessing; and the sons of Aaron shall pour the blood thereof by environ of the altar.

⁹And they shall offer of the sacrifice of peaceable things a sacrifice to the Lord, the inner fatness, and all the tail with the reins, and the fatness that covereth the womb, and all the entrails,