2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
5:11And it cometh to pass, in the going out of the priests from the sanctuary -- for all the priests who are present have sanctified themselves, there is none to watch by courses,
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.