Numbers 8:22-24

New International Version

²² After that, the Levites came to do their work^(A) at the tent of meeting under the supervision of Aaron and his sons. They did with the Levites just as the Lord commanded Moses.

²³ The Lord said to Moses, ²⁴ “This applies to the Levites: Men twenty-five years old or more^(B) shall come to take part in the work at the tent of meeting,^(C)