2 Chronicles 35:10

So the service was prepared, and the priests stood in their place, and the Levites by their courses, according to the king's commandment.

2 Chronicles 30:16

And 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.

Ezra 6:18

And they set the priests in their divisions, and the Levites in their courses, for the service of God, which is at Jerusalem; as it is written in the book of Moses.

2 Chronicles 35:4-5

And prepare yourselves after your fathers houses by your courses, according to the writing of David king of Israel, and according to the writing of Solomon his son.

Treasury of Scripture Knowledge

Summary

So the service was prepared, and the priests stood in their place, and the Levites in their courses, according to the king's commandment.

Bible References

The priests

2 Chronicles 35:4
And prepare yourselves after your fathers houses by your courses, according to the writing of David king of Israel, and according to the writing of Solomon his son.
2 Chronicles 30:16
And 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.
Ezra 6:18
And they set the priests in their divisions, and the Levites in their courses, for the service of God, which is at Jerusalem; as it is written in the book of Moses.

American Standard Version Public Domain