1 Chronicles 23:28

For David said, “The LORD, the God of Israel, has given rest to his people; and he dwells in Jerusalem forever.

Also the Levites will no longer need to carry the tabernacle and all its vessels for its service.”

For by the last words of David the sons of Levi were counted, from twenty years old and upward.

for the show bread also, and for the fine flour for a meal offering, whether of unleavened wafers, or of that which is baked in the pan, or of that which is soaked, and for all measurements of quantity and size;

and to stand every morning to thank and praise the LORD, and likewise in the evening;

and to offer all burnt offerings to the LORD on the Sabbaths, on the new moons, and on the set feasts, in number according to the ordinance concerning them, continually before the LORD;