Leviticus

But the flesh of the bullock, and his skin, and his dung, shalt thou burn with fire without the camp: it is a sin offering.

And the bullock for the sin offering, and the goat for the sin offering, whose blood was brought in to make atonement in the holy place, shall one carry forth without the camp; and they shall burn in the fire their skins, and their flesh, and their dung.

Then shall he kill the goat of the sin offering, that is for the people, and bring his blood within the vail, and do with that blood as he did with the blood of the bullock, and sprinkle it upon the mercy seat, and before the mercy seat:

Then it shall be, if ought be committed by ignorance without the knowledge of the congregation, that all the congregation shall offer one young bullock for a burnt offering, for a sweet savour unto the Lord, with his meat offering, and his drink offering, according to the manner, and one kid of the goats for a sin offering.

And ye shall give her unto Eleazar the priest, that he may bring her forth without the camp, and one shall slay her before his face: