Numbers 4:4-6

New Revised Standard Version Catholic Edition

⁴ The service of the Kohathites relating to the tent of meeting concerns the most holy things.

⁵ When the camp is to set out, Aaron and his sons shall go in and take down the screening curtain, and cover the ark of the covenant^[a] with it; ⁶ then they shall put on it a covering of fine leather,^[b] and spread over that a cloth all of blue, and shall put its poles in place.