PD IS0/TS 21831:2020 BSI Standards Publication Information model of Chinese materia medica processing bsi. PDIS0/TS21831:2020 PUBLISHEDDOCUMENT National foreword This Published document is the UK implementation of IS0/TS21831:2020. The UK participation in its preparation was entrusted to Technical CommitteeIST/35,Healthinformatics. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract.Users areresponsiblefor its correct application. @TheBritishStandards Institution2020 Published byBSI Standards Limited2020 ISBN9780580997396 ICS11.020.99 Compliance with a British Standard cannot confer immunity from legal obligations. This Published document was published under the authority of the StandardsPolicyand Strategy Committeeon31January2020. Amendments/corrigendaissuedsincepublication Date Textaffected PD IS0/TS 21831:2020 TECHNICAL ISO/TS SPECIFICATION 21831 First edition 2020-01 Information model of Chinese materia medica processing Reference number IS0/TS21831:2020(E) ISO @ISO 2020