Numbers 8:22-24

New Life Version

²² After that the Levites went in to do their work in the meeting tent in front of Aaron and his sons. So they did to the Levites just what the Lord had told Moses to do.

²³ The Lord said to Moses, ²⁴ “This is the rule for the Levites. Those who are twenty-five years old and older will go in to do the work of the meeting tent.