2 Chronicles 8:14-15

Now in accordance with the ordinance of his father David, he appointed the divisions of the priests for their service, and the Levites for their duties of praise and ministering and serving before the priests as every day required, and the gatekeepers by their divisions at every gate; for David the man of God had so commanded. And they did not deviate from the commandment of the king to the priests and Levites in any respect or in regard to the storehouses or treasuries.