Exodus 29:35-37

International Standard Version

³⁵ You are to do this for Aaron and his sons, just as I’ve commanded you. You are to ordain them for seven days, ³⁶ and every day you are to offer a bull as a sin offering for atonement. Offer the sin offering on the altar when you make atonement for it and anoint the altar to consecrate it. ³⁷ You are to make atonement for the altar for seven days and consecrate it. It will be most holy, and whatever touches it will be holy.”