The representatives of wholesale drug companies in those cities had been summoned to Edo beforehand, where they attended a lecture by Shohaku NIWA, a scholar of herbalism, and were required to submit their opinions on the standards and measures for controlling domestic materials of medicines.
設置された都市の薬種問屋の代表は事前に江戸に集められ、本草学者丹羽正伯の講習を受けるとともに和薬種取締の基準・方法について意見の提出を求められた。