Exodus 30:9-11

Amplified Bible, Classic Edition

⁹ You shall offer no unholy incense on the altar nor burnt sacrifice nor cereal offering; and you shall pour no libation (drink offering) on it.

¹⁰ Aaron shall make atonement upon the horns of it once a year; with the blood of the sin offering of atonement once in the year shall he make atonement upon and for it throughout your generations. It is most holy to the Lord.

¹¹ And the Lord said to Moses,