Leviticus 8:7

8:7 Then he put the tunic on Aaron, wrapped the sash around him, and clothed him with the robe. Next he put the ephod on him and placed on him the decorated band of the ephod, and fastened the ephod closely to him with the band.

Leviticus 8:13

8:13 Moses also brought forward Aaron’s sons, clothed them with tunics, wrapped sashes around them, and wrapped headbands on them just as the Lord had commanded Moses.

Leviticus 8:33-35

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. 8:34 What has been done on this day the Lord has commanded to be done to make atonement for you. 8:35 You must reside at the entrance of the Meeting Tent day and night for seven days and keep the charge of the Lord so that you will not die, for this is what I have been commanded.”