3 They are to deliver it to Eleazar the priest, and it is to be brought outside the camp and slaughtered in his presence.
Numbers 19:3 Cross References - ISV
Leviticus 4:12
12 along with the rest of the bull, he is to bring it outside the camp to a clean place, where fat ashes are to be poured over it and then it is to be thoroughly burned over wood with fire. It is to be burned where the fat ashes are poured out.”
Leviticus 4:21
21 Then he is to bring the rest of the bull outside the camp and burn it just as he had burned the first bull. This is the sin offering for the congregation.”
Leviticus 13:45-46
Leviticus 16:27
27 “The bull for the sin offering and the male goat for the sin offering, whose blood was brought into the sacred place, are to be taken outside the camp. Their skin, meat, and offal are to be incinerated.
Leviticus 24:14
14 “Take the one who cursed outside the camp. Everyone who heard him is to lay their hands on his head. Then the entire congregation is to stone him to death.
Numbers 3:4
4 Nadab and Abihu died in the LORD’s presence when they offered unauthorized fire before him in the Sinai wilderness. Since they didn’t have their own children, Eleazar and Ithamar ministered as priest under the authority of Aaron their father.
Numbers 5:2
2 “Command the Israelis to send outside the encampment every leper, everyone who has a discharge, and whoever is ritually defiled by contact with a corpse.
Numbers 15:36
36 So the whole community brought him outside the camp and stoned him with stones so that he died, just as the LORD had commanded Moses.
Hebrews 13:11-13
11 For the bodies of animals, whose blood is taken into the sanctuary by the high priest as an offering for sin, are burned outside the camp.
12 That is why Jesus, in order to sanctify the people by his own blood, also suffered outside the city gate.
13 Therefore go to him outside the camp and endure the insults he endured.