Then they slaughtered the Passover lambs on the fourteenth day of the second month. The priests and the Levites were ashamed, and sanctified themselves, and brought the burnt offerings to the house of the LORD.
2 Chronicles 30:15
Surrounding context
30:14 They arose and took away the altars that were in Jerusalem, and they took away all the incense altars and cast them into the Brook Kidron.
30:15 Then they slaughtered the Passover lambs on the fourteenth day of the second month. The priests and the Levites were ashamed, and sanctified themselves, and brought the burnt offerings to the house of the LORD.
30:16 They stood in their place according to their custom, according to the Law of Moses the man of God; the priests sprinkled the blood received from the hand of the Levites.