Leviticus 4:5-8

⁵And the chief priest is to take some of its blood and take it to the Tent of meeting;

⁶And the priest is to put his finger in the blood, shaking drops of it before the Lord seven times, in front of the veil of the holy place.

⁷And the priest is to put some of the blood on the horns of the altar on which perfume is burned before the Lord in the Tent of meeting, draining out all the rest of the blood of the ox at the base of the altar of burned offering which is at the door of the Tent of meeting.

⁸And he is to take away all the fat of the ox of the sin-offering; the fat covering the inside parts and all the fat of the inside parts,