Numbers 3:7

and upon all the multitude - before the tabernacle of witness, to do the service of the habitation.

Numbers 1:50

But thou shalt appoint the Levites unto the habitation of witness, and to all the apparel thereof and unto all that longeth thereto. For they shall bear the tabernacle and all the ordinance thereof, and they shall minister it and shall pitch their tents round about it.

Numbers 8:11

And let Aaron heave the Levites before the LORD, for a heave offering given of the children of Israel, and then let them be appointed to wait upon the service of the LORD.

Numbers 8:15

and after that, let them go and do the service of the tabernacle of witness. Cleanse them and wave them,

Numbers 3:32

And Eleazar the son of Aaron the priest, was captain over all the captains of the Levites, and had the oversight of them that waited upon the holy things.

Numbers 8:24-26

"This shall be the manner of the Levites: from twenty five years upward they shall go in to wait upon the service in the tabernacle of witness,

Numbers 31:30

And of the half of the children of Israel, take one of fifty of the women, of the oxen, of the asses and of the sheep, and of all manner of beasts, and give them unto the Levites which wait upon the habitation of the LORD."

1 Chronicles 23:28-32

"To wait at the hands of the sons of Aaron in the service of the house of the LORD, and to have the oversight of the courts and of the store houses, and of the purifying of all holy things, and of the work of the things that served for the house of God,

1 Chronicles 26:20

And of the Levites, Ahijah had the oversight of the treasure of the house of God, and of the treasure of the dedicated things.

1 Chronicles 26:22

The sons of Jehieli: Zetham and Joel his brother, which were over the treasures of the house of the LORD.

1 Chronicles 26:26

which Shelomoth and his brethren were over all the treasures of the dedicated gifts which David the king, and the ancient heads, of the captains over thousands and hundreds,

Treasury of Scripture Knowledge

Summary

And they shall keep his charge, and the charge of the whole congregation before the tabernacle of the congregation, to do the service of the tabernacle.

Bible References

To do the

Numbers 1:50
But thou shalt appoint the Levites unto the habitation of witness, and to all the apparel thereof and unto all that longeth thereto. For they shall bear the tabernacle and all the ordinance thereof, and they shall minister it and shall pitch their tents round about it.
Numbers 8:11
And let Aaron heave the Levites before the LORD, for a heave offering given of the children of Israel, and then let them be appointed to wait upon the service of the LORD.