Leviticus 16:26-30

²⁶The man who went and sent away the scapegoat must wash his clothes and wash himself with water; then he may come back into the camp.

²⁷The remains of the bull used for the sin offering and the goat for the sin offering, whose blood was brought into the Most Holy Place to purify it, must be taken outside the camp. Their skin, meat, and waste must be burned.

²⁸The person who burns them must wash his clothes and wash himself with water; then he may come back into the camp.

²⁹This regulation applies to you for all time. The tenth day of the seventh month is a day of self-denial for you. You are not to do any work. This applies to all who are native-born and also any foreigner who living among you,

³⁰for on this day the process of making you right will be done, to make you clean from all your sins, clean before the Lord.