Leviticus 16:10
10 but the goat on which the lot fell for Azazel shall be presented alive before the Lord to make atonement over it, that it may be sent away into the wilderness to Azazel.
Leviticus 16:26
26 And he who lets the goat go to Azazel shall wash his clothes and bathe his body in water, qand afterward he may come into the camp.