2 Chronicles 30:17
Because many in the assembly had not consecrated themselves, the Levites slaughtered the Passover lambs of all who were ceremonially unclean and could not consecrate their sacrifice to the Lord.
2 Chronicles 29:34
But there were not enough priests to skin all the animals, so their brothers, the Levites, helped them until the work was finished and the priests could consecrate themselves. (The Levites had been more conscientious about consecrating themselves than the priests.)
Exodus 12:6
You must care for it until the fourteenth day of this month, and then the whole community of Israel will kill it around sundown.
2 Chronicles 35:3-6
He told the Levites, who instructed all Israel about things consecrated to the Lord, "Place the holy ark in the temple which King Solomon son of David of Israel built. Don't carry it on your shoulders. Now serve the Lord your God and his people Israel!