Leviticus 14:23

14:23 “On the eighth day he must bring them for his purification to the priest at the entrance of the Meeting Tent before the Lord,

Leviticus 15:29

15:29 Then on the eighth day she must take for herself two turtledoves or two young pigeons and she must bring them to the priest at the entrance of the Meeting Tent,

Leviticus 25:22

25:22 and you may sow the eighth year and eat from that sixth year’s produce – old produce. Until you bring in the ninth year’s produce, you may eat old produce.