Numbers 8:22
After that, the Levites came to do their work at the tent of meeting in the presence of Aaron and his sons. So they did to them as the Lord had commanded Moses concerning the Levites.
Numbers 8:15
After that the Levites may come to serve at the tent of meeting, once you have ceremonially cleansed them and presented them as a presentation offering.
2 Chronicles 30:15-17
They slaughtered the Passover lamb
2 Chronicles 30:27
Then the priests and the Levites
2 Chronicles 31:2
Hezekiah reestablished the divisions
2 Chronicles 35:8-15
His officials also donated willingly for the people, the priests, and the Levites. Hilkiah, Zechariah, and Jehiel, chief officials of God’s temple, gave 2,600 Passover sacrifices and 300 bulls for the priests.