Numbers 5:3-5

Young's Literal Translation

³ from male unto female ye do send out; unto the outside of the camp ye do send them; and they defile not their camps in the midst of which I do tabernacle.'

⁴ And the sons of Israel do so, and they send them out unto the outside of the camp; as Jehovah hath spoken unto Moses so have the sons of Israel done.

⁵ And Jehovah speaketh unto Moses, saying,