Numbers 16:40

to be a memorial unto the children of Israel, to the end that no stranger, that is not of the seed of Aaron, come near to burn incense before Jehovah; that he be not as Korah, and as his company: as Jehovah spake unto him by Moses.

Numbers 3:10

And thou shalt appoint Aaron and his sons, and they shall keep their priesthood: and the stranger that cometh nigh shall be put to death.

Exodus 30:7-10

And Aaron shall burn thereon incense of sweet spices: every morning, when he dresseth the lamps, he shall burn it.

Leviticus 22:10

There shall no stranger eat of the holy thing: a sojourner of the priest's, or a hired servant, shall not eat of the holy thing.

Numbers 1:51

And when the tabernacle setteth forward, the Levites shall take it down; and when the tabernacle is to be pitched, the Levites shall set it up: and the stranger that cometh nigh shall be put to death.

Numbers 3:38

And those that encamp before the tabernacle eastward, before the tent of meeting toward the sunrising, shall be Moses, and Aaron and his sons, keeping the charge of the sanctuary for the charge of the children of Israel; and the stranger that cometh nigh shall be put to death.

Numbers 18:4-7

And they shall be joined unto thee, and keep the charge of the tent of meeting, for all the service of the Tent: and a stranger shall not come nigh unto you.

1 Kings 13:1-3

And, behold, there came a man of God out of Judah by the word of Jehovah unto Beth-el: and Jeroboam was standing by the altar to burn incense.

2 Chronicles 26:16-21

But when he was strong, his heart was lifted up, so that he did corruptly, and he trespassed against Jehovah his God; for he went into the temple of Jehovah to burn incense upon the altar of incense.

Jude 1:11

Woe unto them! For they went in the way of Cain, and ran riotously in the error of Balaam for hire, and perished in the gainsaying 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
And thou shalt appoint Aaron and his sons, and they shall keep their priesthood: and the stranger that cometh nigh shall be put to death.
Numbers 18:4
And they shall be joined unto thee, and keep the charge of the tent of meeting, for all the service of the Tent: and a stranger shall not come nigh unto you.
Leviticus 22:10
There shall no stranger eat of the holy thing: a sojourner of the priest's, or a hired servant, shall not eat of the holy thing.
2 Chronicles 26:18
and they withstood Uzziah the king, and said unto him, It pertaineth not unto thee, Uzziah, to burn incense unto Jehovah, but to the priests the sons of Aaron, that are consecrated to burn incense: go out of the sanctuary; for thou hast trespassed; neither shall it be for thine honor from Jehovah God.
Jude 1:11
Woe unto them! For they went in the way of Cain, and ran riotously in the error of Balaam for hire, and perished in the gainsaying of Korah.

Come near

1 Kings 13:1
And, behold, there came a man of God out of Judah by the word of Jehovah unto Beth-el: and Jeroboam was standing by the altar to burn incense.
2 Chronicles 26:16
But when he was strong, his heart was lifted up, so that he did corruptly, and he trespassed against Jehovah his God; for he went into the temple of Jehovah to burn incense upon the altar of incense.

General references

Numbers 16:6
This do: take you censers, Korah, and all his company;
Psalm 106:18
And a fire was kindled in their company; The flame burned up the wicked.
Psalm 115:10
O house of Aaron, trust ye in Jehovah: He is their help and their shield.
Hebrews 5:4
And no man taketh the honor unto himself, but when he is called of God, even as was Aaron.

American Standard Version Public Domain