Section 13, Weights and Measures Act, 2010

(1) A weight made of lead or pewter or any of the mixturethereof shall not be verified and stamped with a stamp of verification or certified or authenticated under section 12 nor shall such weight be used for trade: Provided that this subsection shall not apply where such weight is wholly and substantially cased with brass, copper or iron and legibly marked “cased”. (2) Nothing in this section shall prevent the insertion into a weight of such plug of lead or pewter as is necessary for the purpose of adjusting the weight and affixing thereon the stamp of verification. (3) An Inspector may refuse to stamp any iron weight or any weight cased with iron unless it has a plug of softer metal upon which to impress or affix the stamp.