Numbers 8:22-24

Complete Jewish Bible

²² After that, the L’vi’im came to do their service in the tent of meeting in front of Aharon and his sons; they acted in accordance with Adonai’s orders to Moshe in regard to the L’vi’im.

²³ Adonai said to Moshe, ²⁴ “Here are instructions concerning the L’vi’im: when they reach the age of twenty-five, they are to begin performing their duties serving in the tent of meeting;