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

Aaron shall make atonement on its horns once in the year; with the blood of the sin offering of atonement once in the year he shall make atonement for it throughout your generations. It is most holy to the LORD.”

“He shall go out to the altar that is before the LORD and make atonement for it, and shall take some of the bull’s blood, and some of the goat’s blood, and put it around on the horns of the altar.

He shall sprinkle some of the blood on it with his finger seven times, and cleanse it, and make it holy from the uncleanness of the children of Israel.