The percentages of defective pulses in a consignment shall be determined as follows:
| (a) | Prepare a working sample by measuring off from the quantity of the sample from which the stones, sand and foreign matter have been removed as contemplated in regulation 19. |
| (b) | Obtain a working sample of at least 500 g of pulses. |
| (c) | Remove all defective pulses separately from the working sample and determine the respective masses thereof. |
| (d) | Express the respective masses thus determined, as percentages of the mass of the applicable working sample. |
| (e) | Such percentages shall respectively represent the percentage of defective pulses in the consignment concerned. |
