2 Chronicles 35:10

Thus was the service prepared, - and the priests stood in their place, and the Levites in their courses, according to the commandment of the king.

2 Chronicles 30:16

And they stood in their place, according to their regulation, according to the law of Moses the man of God, - the priests, dashing the blood, which they received at the hand of the Levites.

Ezra 6:18

And they set up the priests in their divisions, and the Levites in their courses, over the service of God, which was in Jerusalem, - as it is written, in the Book of Moses.

2 Chronicles 35:4-5

and prepare yourselves by your ancestral houses, according to your courses, - by the writing of David king of Israel, and by what hath been written by 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 by your ancestral houses, according to your courses, - by the writing of David king of Israel, and by what hath been written by Solomon his son;
2 Chronicles 30:16
And they stood in their place, according to their regulation, according to the law of Moses the man of God, - the priests, dashing the blood, which they received at the hand of the Levites.
Ezra 6:18
And they set up the priests in their divisions, and the Levites in their courses, over the service of God, which was in Jerusalem, - as it is written, in the Book of Moses.