(1) Every weight for use in trade or industry shall have the denomination of such weight marked on the top or side thereof in legible figures and letters by the manufacturer:

Provided that where the small size of a weight renders it impracticable to mark such a weight, a certificate shall be supplied by the manufacturer in respect of such weight and the certificate shall be produced to an Inspector on his request and shall contain sufficient particulars to enable the identification and denomination of such weight to be established.

(2) Every measure of capacity for use in trade or industry shall have the denomination thereof marked on the outside of such measure in legible figures and letters by the manufacturer.

(3) A weight or measure not in conformity with this section shall not be stamped with a stamp of verification under section 11.