Leviticus 9:6-8

Good News Translation

⁶ Moses said, “The Lord has commanded you to do all this, so that the dazzling light of his presence can appear to you.” ^7 (A)Then he said to Aaron, “Go to the altar and offer the sin offering and the burnt offering to take away your sins and the sins of the people. Present this offering to take away the sins of the people, just as the Lord commanded.”

⁸ Aaron went to the altar and killed the young bull which was for his own sin offering.