Leviticus 16:2

16:2 and the Lord said to Moses: “Tell Aaron your brother that he must not enter at any time into the holy place inside the veil-canopy in front of the atonement plate that is on the ark so that he may not die, for I will appear in the cloud over the atonement plate.

Leviticus 16:1

The Day of Atonement

16:1 The Lord spoke to Moses after the death of Aaron’s two sons when they approached the presence of the Lord and died,

Leviticus 8:6

Clothing Aaron

8:6 So Moses brought Aaron and his sons forward and washed them with water.

Leviticus 8:10

Anointing the Tabernacle and Aaron, and Clothing Aaron’s Sons

8:10 Then Moses took the anointing oil and anointed the tabernacle and everything in it, and so consecrated them.

Leviticus 8:2

8:2 “Take Aaron and his sons with him, and the garments, the anointing oil, the sin offering bull, the two rams, and the basket of unleavened bread,

Leviticus 5:7-10

5:7 “‘If he cannot afford an animal from the flock, he must bring his penalty for guilt for his sin that he has committed, two turtledoves or two young pigeons, to the Lord, one for a sin offering and one for a burnt offering. 5:8 He must bring them to the priest and present first the one that is for a sin offering. The priest must pinch its head at the nape of its neck, but must not sever the head from the body. 5:9 Then he must sprinkle some of the blood of the sin offering on the wall of the altar, and the remainder of the blood must be squeezed out at the base of the altar – it is a sin offering. 5:10 The second bird he must make a burnt offering according to the standard regulation. So the priest will make atonement on behalf of this person for his sin which he has committed, and he will be forgiven.

Hebrews 9:2-3

9:2 For a tent was prepared, the outer one, which contained the lampstand, the table, and the presentation of the loaves; this is called the holy place. 9:3 And after the second curtain there was a tent called the holy of holies.