2 Chronicles 30:16-18

16And they stood in their place after their custom, according to the law of Moses the man of God: the priests sprinkled the blood, which they received from the hand of the Levites.1 17For there were many in the congregation that were not sanctified: therefore the Levites had the charge of the killing of the passovers for every one that was not clean, to sanctify them to the LORD. 18For a multitude of the people, even many of Ephraim, and Manasseh, Issachar, and Zebulun, had not cleansed themselves, yet they ate the passover otherwise than it was written. But Hezekiah prayed for them, saying, The good LORD pardon every one