Leviticus 4:21

21 Then he shall take the bull outside the camp and burn it as he burned the first bull. This is the sin offering for the community.

Read Leviticus 4:21 Using Other Translations

And he shall carry forth the bullock without the camp, and burn him as he burned the first bullock: it is a sin offering for the congregation.
And he shall carry the bull outside the camp and burn it up as he burned the first bull; it is the sin offering for the assembly.
Then the priest must take what is left of the bull and carry it outside the camp and burn it there, just as is done with the sin offering for the high priest. This offering is for the sin of the entire congregation of Israel.