10. Sampling instruments shall be capable of sampling all parts of the seed lot. A dynamic spear sampler, stick sampler, cargo sampler or seed stream sampler of the type specified in paragraphs 12 to 14, 15 to 17, 18 or 19 respectively shall be used, as appropriate to the location of the seed, to draw primary samplers in accordance with the method described in paragraphs 21, 22 and 23, 24 or 25 respectively.