Liability of warehouseman for shortage or excess in goods stored

(1) If there is any excess in the goods stored in a warehouse by absorption of moisture or other causes beyond the control of the warehouseman, the warehouseman shall not be entitled thereto. (2) If there is any shortage in the goods stored in a warehouse by dryage or other causes beyond the control of the warehouseman, the warehouseman shall not be responsible therefor. (3) In the event of a dispute arising as to whether such shortage or excess is due to dryage or absorption of moisture or is due to other causes beyond the control of the warehouseman, the matter shall be referred in such manner and within such time as may be prescribed, to the appellate authority referred to in section 29 whose decision thereon shall be final and binding.