Ver. 3. Shall take an heifer— If two cities happened to be equidistant from the dead body, then they joined together to provide this heifer, which might be of three years old.
Related Commentaries of Deuteronomy 21:3
Deuteronomy 21:3
3 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;