2 Chronicles 30:20

For 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 is written. For Hezekiah had prayed for them, saying, "May the good Yahweh pardon everyone

who sets his heart to seek God, Yahweh, the God of his fathers, even if they aren't clean according to the purification of the sanctuary.

The children of Israel who were present at Jerusalem kept the feast of unleavened bread seven days with great gladness; and the Levites and the priests praised Yahweh day by day, [singing] with loud instruments to Yahweh.

Hezekiah spoke comfortably to all the Levites who had good understanding [in the service] of Yahweh. So they ate throughout the feast for the seven days, offering sacrifices of peace offerings, and making confession to Yahweh, the God of their fathers.