Exodus 30:10
10
"And g Aaron shall make atonement upon its horns once a year with the blood of the sin offering of atonement; once a year he shall make atonement upon it throughout your generations. It is most holy to the LORD."
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Cross References
Leviticus 16:3 - 34
Thus Aaron shall come into the Holy Place: with the blood of a young bull as a sin offering, and of a ram as a burnt offering.
New King James Version (NKJV) Copyright © 1982 by Thomas Nelson, Inc.