Exodus 30:10

English Standard Version

10 Aaron shall make atonement on its horns once a year. With the blood of the sin offering of atonement he shall make atonement for it once in the year throughout your generations. It is most holy to the Lord.” (Ex 29:36; Le 16:18; Le 23:27)

New International Version

10 Once a year Aaron shall make atonement on its horns. This annual atonement must be made with the blood of the atoning sin offering[1] for the generations to come. It is most holy to the Lord.’

New International Reader’s Version

10 Once a year Aaron must put the blood of a sin offering on the horns of the altar. He must do this to make the altar pure. He must do this on the day Israel’s sin is paid for. Do this for all time to come. The altar is a very holy place to me.’

King James Version

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.