Numbers 8:24

This applies to the Levites : from twenty-five years old and upward they shall come to do duty in the service of the tent of meeting .

“This applies to the Levites: Men twenty-five years old or more shall come to take part in the work at the tent of meeting,

This is it that belongeth unto the Levites : from twenty and five years old and upward they shall go in to wait upon the service of the tabernacle of the congregation :