1
Where the buyer places a firm order without indicating the sale price, the price is presumed to be the average current market price at the place of performance.
2
Where the price is based on the weight of the goods, the weight of the packaging (tare) is deducted.
3
The foregoing does not apply to special commercial customs whereby the gross weight of certain resale merchandise is reduced by a set amount or percentage or the price is based on the gross weight including packaging.