Deuteronomy 21:3 in the King James Version
And it shall be, that the city which is next unto the slain man, even the elders of that city shall take an heifer, which hath not been wrought with, and which hath not drawn in the yoke;
Context
2 then your elders and your judges shall come out, and they shall measure to the cities which are around him who is slain.
3 It shall be that the elders of the city which is nearest to the slain man shall take a heifer of the herd, which hasn’t been worked with and which has not drawn in the yoke.
4 The elders of that city shall bring the heifer down to a valley with running water, which is neither plowed nor sown, and shall break the heifer’s neck there in the valley.