Leviticus 16:23

The Concluding Rituals

16:23 “Aaron must then enter the Meeting Tent and take off the linen garments which he had put on when he entered the sanctuary, and leave them there.

Leviticus 21:6

21:6 “‘They must be holy to their God, and they must not profane the name of their God, because they are the ones who present the Lord’s gifts, the food of their God. Therefore they must be holy.