Leviticus 14:10

The Eighth Day Atonement Rituals

14:10 “On the eighth day he must take two flawless male lambs, one flawless yearling female lamb, three-tenths of an ephah of choice wheat flour as a grain offering mixed with olive oil, and one log of olive oil,

Leviticus 16:34

16:34 This is to be a perpetual statute for you to make atonement for the Israelites for all their sins once a year.” So he did just as the Lord had commanded Moses.