Numbers 18:22

The other Israelites must never again come near the tent of meeting. Otherwise, they will suffer the consequences of their sin and die.

Leviticus 22:9

All priests must observe the regulations that I have given. Otherwise, they will become guilty and die, because they have disobeyed the sacred regulations. I am Jehovah and I make them holy.

Leviticus 20:20

Whoever has sexual intercourse with his uncle's wife violates his uncle's marriage. That man and woman are guilty of sin. They will die without children.

Numbers 1:51-52

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 3:10

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

Numbers 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 18:7

Only you and your sons may do the work of priests, everything done at the altar and under the canopy. This is my gift to you: You may serve me as priests. Anyone else who comes near the holy place to do this work must die.

Treasury of Scripture Knowledge

Summary

Neither must the children of Israel henceforth come nigh the tabernacle of the congregation, lest they bear sin, and die.

General references

Bible References

Come nigh

Numbers 18:7
Only you and your sons may do the work of priests, everything done at the altar and under the canopy. This is my gift to you: You may serve me as priests. Anyone else who comes near the holy place to do this work must die.
Numbers 1:52
The other Israelites will camp with each family in its own area under its own flag.
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.

Bear sin

Leviticus 20:20
Whoever has sexual intercourse with his uncle's wife violates his uncle's marriage. That man and woman are guilty of sin. They will die without children.
Leviticus 22:9
All priests must observe the regulations that I have given. Otherwise, they will become guilty and die, because they have disobeyed the sacred regulations. I am Jehovah and I make them holy.

General references

Leviticus 27:30
One-tenth of what comes from the land, whether grain or fruit, is holy and belongs to Jehovah.
Deuteronomy 10:9
Levi does not have a portion or inheritance with his brothers. Jehovah is his inheritance; just as Jehovah your God spoke to him.