Exodus 29:14; Exodus 30:10

14 But the flesh of the bull and its skin and its dung you shall burn with fire qoutside the camp; rit is a sin offering.


10 sAaron shall make atonement on its horns once a year. With the blood of the tsin offering of atonement he shall make atonement for it once in the year throughout your generations. It is most holy to the Lord.