Exodus 30:10 And Aaron shall make an atonement upon the horns of it once in a year with the blood of the sin offering of atonements: once in the year shall he make atonement upon it throughout your generations: it is most holy unto the Lord. 12 I MC VC

Leviticus 4:7 And the priest shall put some of the blood upon the horns of the altar of sweet incense before the Lord, which is in the tabernacle of the congregation; and shall pour all the blood of the bullock at the bottom of the altar of the burnt offering, which is at the door of the tabernacle of the congregation. 10 I MC VC

Leviticus 4:18 And he shall put some of the blood upon the horns of the altar which is before the Lord, that is in the tabernacle of the congregation, and shall pour out all the blood at the bottom of the altar of the burnt offering, which is at the door of the tabernacle of the congregation. 10 I MC VC