Numbers 16:40
to serve as a memorial to the Israelis, a reminder that no unauthorized person, who isn't a descendant of Aaron, is to attempt to burn incense in the LORD'S presence, so that he may not become like Korah and his group, just as the LORD had spoken by the authority of Moses.
Numbers 3:10
Appoint Aaron and his sons so that they are to take responsibility for their priesthood. Any unauthorized person who approaches it is to be put to death."
Exodus 30:7-10
Aaron is to offer fragrant incense on it. Every morning when he trims the lamps he is to offer it,
Leviticus 22:10
"No resident alien is to eat anything sacred. Neither the visitor of the priest nor a hired laborer is to eat anything sacred.
Numbers 1:51
Whenever the tent is ready for travel, the descendants of Levi are to take it down. When it's time to encamp, the descendants of Levi are to set it up. Any unauthorized person who approaches it is to be executed.
Numbers 3:38
In front of the tent and east of the Tent of Meeting, Moses, Aaron, and Aaron's sons encamped facing the east. They were tasked to perform the duties of the sanctuary and care for the needs of the Israelis. Any unauthorized person who approached was to be executed.
Numbers 18:4-7
They are to join you to maintain services related to the Tent of Meeting, for all the responsibilities involved with the tent. But no unauthorized person is to approach you.
1 Kings 13:1-3
Right when Jeroboam was standing by the altar to burn some incense, a man of God arrived in Bethel from Judah in obedience to a command from the LORD.
2 Chronicles 26:16-21
But after he had become strong, in his arrogance he acted corruptly and became unfaithful to the LORD his God, and he dared to enter the LORD's Temple to burn incense on the incense altar.
Jude 1:11
11How terrible it will be for them! For they lived like Cain did , rushed headlong into Balaam's error to make a profit, and destroyed themselves, as happened in Korah's rebellion.