And the Lord spake unto Moses At the same time he gave the instructions about the consecration of the Levites, the time of their entrance on their service, and of leaving it, was fixed: saying; as follows.
21
And the Levi’im purified themselves, and they immersed their clothes; and Aharon offered them as a tenufah before Hashem; and Aharon made kapporah for them to make them tahor.
22
And after that went the Levi’im in to do their Avodah in the Ohel Mo’ed before Aharon, and before his Banim; just as Hashem had commanded Moshe concerning the Levi’im, so did they with them.