Ezra 6:18

6:18 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.
-World English Bible

Other Translation

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.
-King James Version