BackgroundThe draft PMS SI was initially shared on July 26, 2023, after the publication of the draft PMS SI on the World Trade Organization (WTO) website by the UK regulator MHRA. The revised final draft was shared again on October 22.The intent has always been to emphasize the importance of PMS, analogous to the European regulations (Medical Devices Regulation 2017/745 (MDR) and In Vitro Diagno..