Exodus 29:37-39

Revised Standard Version Catholic Edition

³⁷ Seven days you shall make atonement for the altar, and consecrate it, and the altar shall be most holy; whatever touches the altar shall become holy.

The Daily Offerings

³⁸ “Now this is what you shall offer upon the altar: two lambs a year old day by day continually. ³⁹ One lamb you shall offer in the morning, and the other lamb you shall offer in the evening;