Leviticus 8:22

8:22 Then he presented the second ram, the ram of ordination, and Aaron and his sons laid their hands on the head of the ram

Leviticus 8:28-29

8:28 Moses then took them from their palms and offered them up in smoke on the altar on top of the burnt offering – they were an ordination offering for a soothing aroma; it was a gift to the Lord. 8:29 Finally, Moses took the breast and waved it as a wave offering before the Lord from the ram of ordination. It was Moses’ share just as the Lord had commanded Moses.

Leviticus 8:31

8:31 Then Moses said to Aaron and his sons, “Boil the meat at the entrance of the Meeting Tent, and there you are to eat it and the bread which is in the ordination offering basket, just as I have commanded, saying, ‘Aaron and his sons are to eat it,’

Leviticus 8:33

8:33 And you must not go out from the entrance of the Meeting Tent for seven days, until the day when your days of ordination are completed, because you must be ordained over a seven-day period.