Leviticus 4:29-32

²⁹And he shall lay his hand on the lead of the sin offering, and kill the sin offering at the place of burnt sacrifice;

³⁰And the priest shall take of the blood with his finger, and put it upon the horns of the altar of burnt offering, and pour out all the blood at the foundation of the altar.

³¹And he shall remove all the fat, as he took away the fat from the consecrated offerings, and the priest shall burn it at the altar, to be received with acceptance before the Lord; and the priest shall atone for him, and it shall be forgiven him.

³²But if he present a lamb for his sin offering, he shall bring a female unblemished,