1 Chronicles 23:26-29

23:26 So the Levites no longer need to carry the tabernacle or any of the items used in its service.” 23:27 According to David’s final instructions, the Levites twenty years old and up were counted.

23:28 Their job was to help Aaron’s descendants in the service of the Lord’s temple. They were to take care of the courtyards, the rooms, ceremonial purification of all holy items, and other jobs related to the service of God’s temple. 23:29 They also took care of the bread that is displayed, the flour for offerings, the unleavened wafers, the round cakes, the mixing, and all the measuring.