Numbers 16:40

He followed Jehovah's command given through Moses. The copper-covered altar will remind Israel that no one but a descendant of Aaron may come near to burn incense to Jehovah. Everyone else will die like Korah and his followers.

Numbers 3:10

Appoint Aaron and his sons to serve as priests. Anyone else who tries to do the priests' duties must be put to death.

Exodus 30:7-10

Aaron must burn sweet incense on this altar every morning when he takes care of the lamps.

Leviticus 22:10

Only a member of a priestly family may eat any of the sacred offerings. No one else may eat them, not even someone staying with a priest or hired by him.

Numbers 1:51

When the tent is to be moved, the Levites will take it down. When we camp, they will set it up. Anyone else who comes near the tent will be put to death.

Numbers 3:38

Moses, Aaron, and his sons put up their tents on the east side in front of the tent of meeting. They were in charge of the holy place on behalf of the Israelites. Anyone else who tried to do the Levites' duties had to be put to death.

Numbers 18:4-7

They are to work with you and fulfill their responsibilities for all the service in the tent. No unqualified person may work with you.

1 Kings 13:1-3

A man of God from Judah went to Bethel. He arrived there while Jeroboam was at the altar ready to offer a sacrifice.

2 Chronicles 26:16-21

However when he became powerful, his pride destroyed him. He was unfaithful to Jehovah his God. He went into Jehovah's Temple to burn incense on the incense altar.

Jude 1:11

Woe to them! They went in the way of Cain, and ran riotously in the error of Balaam for hire, and perished in the rebellious talk of Korah.

Treasury of Scripture Knowledge

Summary

To be a memorial unto the children of Israel, that no stranger, which is not of the seed of Aaron, come near to offer incense before the LORD; that he be not as Korah, and as his company: as the LORD said to him by the hand of Moses.

Bible References

That no

Numbers 3:10
Appoint Aaron and his sons to serve as priests. Anyone else who tries to do the priests' duties must be put to death.
Numbers 18:4
They are to work with you and fulfill their responsibilities for all the service in the tent. No unqualified person may work with you.
Leviticus 22:10
Only a member of a priestly family may eat any of the sacred offerings. No one else may eat them, not even someone staying with a priest or hired by him.
2 Chronicles 26:18
They opposed King Uzziah. They said to him: Uzziah, you have no right to burn incense as an offering to Jehovah. That right belongs to the priests, Aaron's descendants, who have been given the holy task of burning incense. Get out of the holy place because you have been unfaithful. Jehovah God will not honor you for this.
Jude 1:11
Woe to them! They went in the way of Cain, and ran riotously in the error of Balaam for hire, and perished in the rebellious talk of Korah.

Come near

1 Kings 13:1
A man of God from Judah went to Bethel. He arrived there while Jeroboam was at the altar ready to offer a sacrifice.
2 Chronicles 26:16
However when he became powerful, his pride destroyed him. He was unfaithful to Jehovah his God. He went into Jehovah's Temple to burn incense on the incense altar.

General references

Numbers 16:6
Korah, you and all your followers must do this tomorrow: Take incense burners,
Psalm 106:18
A fire broke out among their followers. Flames burned up wicked people.
Psalm 115:10
O Descendants of Aaron, trust Jehovah. He is your helper and your shield.
Hebrews 5:4
No one takes this honor upon himself. He is called by God, even as Aaron was.