2 Chronicles 29:34

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.)

2 Chronicles 30:17

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 35:10-11

35:10 Preparations were made, and the priests stood at their posts and the Levites in their divisions as prescribed by the king. 35:11 They slaughtered the Passover lambs and the priests splashed the blood, while the Levites skinned the animals.