2 Chronicles 30:16-18

16They stood at their accustomed stations, in accordance with the Law of Moses, the man of God. The priests sprinkled the blood [which they received] from the hand of the Levites [on the altar].

17For there were many in the assembly who had not consecrated themselves [that is, become ceremonially clean and free from all sin]; so the Levites had to slaughter the Passover lambs for everyone who was not clean, in order to make them holy for the Lord.

18For the majority of the people, many from Ephraim and Manasseh, Issachar and Zebulun, had not purified themselves, and yet they ate the Passover contrary to what had been prescribed. For Hezekiah had prayed for them, saying, “May the good Lord pardon