2 Chronicles 5:11
And it came to pass, when the priests were come out of the holy place: (for all the priests that were present were sanctified, and did not then wait by course:
2 Chronicles 13:10
But as for us, the LORD is our God, and we have not forsaken him; and the priests, which minister unto the LORD, are the sons of Aaron, and the Levites wait upon their business: