Deuteronomy 21:4-6

Young's Literal Translation

⁴ and the elders of that city have brought down the heifer unto a hard valley, which is not tilled nor sown, and have beheaded there the heifer in the valley.

⁵ `And the priests, sons of Levi, have come nigh -- for on them hath Jehovah thy God fixed to serve Him, and to bless in the name of Jehovah, and by their mouth is every strife, and every stroke --

⁶ and all the elders of that city, who are near unto the slain one, do wash their hands over the heifer which is beheaded in the valley,