Exodus 40:30-32

American Standard Version

³⁰ And he set the laver between the tent of meeting and the altar, and put water therein, wherewith to wash. ³¹ And Moses and Aaron and his sons washed their hands and their feet thereat; ³² when they went into the tent of meeting, and when they came near unto the altar, they washed; as Jehovah commanded Moses.