37.—(1) Dry capacity measures made of metal shall be stamped near the brim in a vertical line with the indication of the purported value. Where necessary, such measures shall be provided with a plug of soft metal to receive the stamp.
(2) Measures made of wood (other than measures made of wicker or other open material) shall be branded on the outside in a line vertical with the indication of the purported value and, in the case of new measures, also in the inside angle at the bottom of the measure.
(3) Measures made of wicker or other open material shall be stamped on a tablet, plate or fastening affixed in such a manner that it cannot be removed without defacing the stamp.