Exodus 29:13-15

Young's Literal Translation

¹³ and thou hast taken all the fat which is covering the inwards, and the redundance on the liver, and the two kidneys, and the fat which [is] on them, and hast made perfume on the altar;

¹⁴ and the flesh of the bullock, and his skin, and his dung, thou dost burn with fire at the outside of the camp; it [is] a sin-offering.

¹⁵ `And the one ram thou dost take, and Aaron and his sons have laid their hands on the head of the ram,