2 Chronicles 30:14

Nevertheless some men of Asher, Manasseh, and Zebulun humbled themselves and came to Jerusalem.

Also the hand of God came on Judah to give them one heart, to do the commandment of the king and of the princes by the LORD’s word.

Many people assembled at Jerusalem to keep the feast of unleavened bread in the second month, a very great assembly.

Then they killed the Passover on the fourteenth day of the second month. The priests and the Levites were ashamed, and sanctified themselves, and brought burnt offerings into the LORD’s house.

They stood in their place after their order, according to the law of Moses the man of God. The priests sprinkled the blood which they received of the hand of the Levites.

For there were many in the assembly who had not sanctified themselves; therefore the Levites were in charge of killing the Passovers for everyone who was not clean, to sanctify them to the LORD.