Bible Verses About Altar of Incense: Atonement made for, by the high priest once every year

And Aaron shall pray upon the horns thereof once a year, with the blood of that which was offered for sin; and shall make atonement upon it in your generations. It shall be most holy to the Lord.

And when he is come out to the altar that is before the Lord, let him pray for himself: and taking the blood of the calf, and of the buck goat, let him pour it upon the horns thereof round about.

And sprinkling with his finger seven times, let him expiate, and sanctify it from the uncleanness of the children of Israel.