the priests
2 Chronicles 35:4
and prepare yourselves according to the houses of your fathers by your courses, according to the writing of David king of Israel and according to the writing of Solomon his son.
2 Chronicles 35:5
And stand in the holy place according to the divisions of the families of the fathers of your brethren the people and according to the division of the families of the Levites.
2 Chronicles 30:16
And they stood in their place according to their order, according to the law of Moses the man of God. The priests sprinkled the blood which they received from 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.