and whenever burnt sacrifices were offered to the Lord on the Sabbath and at new moon festivals and assemblies. A designated number were to serve before the Lord regularly in accordance with regulations. ¹ 

But Aaron and his descendants offered sacrifices on the altar for burnt offerings and on the altar for incense as they had been assigned to do in the most holy sanctuary. ¹  They made atonement for Israel, just as God’s servant Moses had ordered. ² 

These were the descendants of Levi according to their families, that is, the leaders of families as counted and individually listed who carried out assigned tasks in the Lord’s temple and were twenty years old and up. ¹