Section 11 in The Standards of Weights and Measures (General) Rules, 1987
11. Weights
.-(1) Save as otherwise provided in these rules, every weight used or intended to be used-(a)in any transaction, or(b)for industrial production, or(c)for protection, shall conform, as regards physical characteristics, configuration, constructional details, materials, performance, tolerances and such other details, to the corresponding specifications laid down for such weight in the Fifth Schedule.(2)The maximum permissible error in respect of such weight shall be such as is specified in the Fifth Schedule.(3)Nothing in this rule shall apply to the product of an industry which is required by or under any law for the time being in force, to conform to any other specifications with regard to the matters specified in sub-rule (1) or sub-rule (2), if under such law, the product is required to conform to the specifications laid down by the International Organisation of Legal Metrology with regard to the matters aforesaid.
