The natural flow of water from a higher to a lower tank shall not be stopped unless the lower tank has ceased to be useful for three consecutive years. Violation of this rule shall be punished with the first amercement. The same punishment shall be meted out for emptying a tank of its water (tatákavámanam cha). Buildings of any kind (setubandha), neglected for five consecutive years shall be forfeited, except in calamities.