(1) Where the sale of any commodity is made by number and the number of the commodity delivered to the purchaser in pursuance of such sale is lesser than the number paid for, the seller shall be deemed to have used a false measure.
(2) Where, in relation to any commodity sold by number, there is a custom or usage of delivering a fixed number of such commodities in addition to the number of commodities paid for, such custom or usage shall, 'on and from the commencement of this Regulation, cease, and if the seller delivers to the purchaser the additional number of commodities in accordance with such custom or usage, he shall be deemed to have used a false measure and the purchaser shall be deemed to have abetted the use of such false measure.
Sale of commodities by heap*.