Leviticus 9:2

9:2 and said to Aaron, “Take for yourself a bull calf for a sin offering and a ram for a burnt offering, both flawless, and present them before the Lord.

Leviticus 10:3-4

10:3 Moses then said to Aaron, “This is what the Lord spoke: ‘Among the ones close to me I will show myself holy, and in the presence of all the people I will be honored.’” So Aaron kept silent. 10:4 Moses then called to Mishael and Elzaphan, the sons of Uzziel, Aaron’s uncle, and said to them, “Come near, carry your brothers away from the front of the sanctuary to a place outside the camp.”

Leviticus 21:1

Rules for the Priests

21:1 The Lord said to Moses: “Say to the priests, the sons of Aaron – say to them, ‘For a dead person no priest is to defile himself among his people,