2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
30:15and they slaughter the passover-offering on the fourteenth of the second month, and the priests and the Levites have been ashamed, and sanctify themselves, and bring in burnt-offerings to the house of Jehovah.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.