Prohibition to use of weights and measures other than standard weights and measures

(1) Notwithstanding anything contained in any other law or any custom, usage or practice, no unit of mass or measure other than the standards weights or measures shall be used in any contravention for trade or commerce in any area or class of goods or undertakings in respect of which this Act has come into force or to be kept in any premises where such transactions are usually conducted. (2) Any custom, usage, practice or method of whatever nature which permits in any trade, a trader, seller or buyer to demand, received or cause to be demanded or received any quantity of article in excess of or less than the quantity fixed by the weights or measures by which the contract or dealing in respect of the said article has been made, shall be void. (3) Any transaction, dealing or contract made, or had after the expiry of three months from the commencement of this Act shall, in so far as it contravenes the provisions of sub- section (1) be void.