Numbers 4:3-5

International Standard Version

³ from 30 years and older through the age of 50 years, from everyone who can enter the service to perform work at the Tent of Meeting.

⁴ “Here’s what the descendants of Kohath are to do regarding the Tent of Meeting and what’s inside the Most Holy Place: ⁵ When the camp is about to travel, Aaron and his sons are to come and take down the veil of the curtain and cover the Ark of the Testimony with it.