Numbers 8:22
And after that went the Levites in to perform their service in the tabernacle of the congregation before Aaron, and before his sons: as the LORD had commanded Moses concerning the Levites, so did they to them.
Numbers 8:15
And after that shall the Levites go in to perform the service of the tabernacle of the congregation: and thou shalt cleanse them, and offer them for an offering.
2 Chronicles 30:15-17
Then they killed the passover on the fourteenth day of the second month: and the priests and the Levites were ashamed, and sanctified themselves, and brought in the burnt-offerings into the house of the LORD.
2 Chronicles 30:27
Then the priests the Levites arose and blessed the people: and their voice was heard, and their prayer ascended to his holy dwelling-place, even to heaven.
2 Chronicles 31:2
And Hezekiah appointed the courses of the priests and the Levites after their courses, every man according to his service, the priests and Levites for burnt-offerings and for peace-offerings, to minister, and to give thanks, and to praise in the gates of the tents of the LORD.
2 Chronicles 35:8-15
And his princes gave willingly to the people, to the priests, and to the Levites: Hilkiah and Zechariah and Jehiel, rulers of the house of God, gave to the priests for the passover-offerings two thousand and six hundred small cattle, and three hundred oxen.