This document discusses the responsibilities of Marketing Authorization Holders (MAHs) in Japan. It explains that MAHs must have a suitable quality control system called Good Quality Practice (GQP) and a suitable safety control system after manufacturing called Good Vigilance Practice (GVP). The GQP ensures quality assurance of medical devices, while the GVP standardizes the practice for safety control, such as collecting and evaluating safety information. The document also provides an overview of the GQP organization structure and reporting requirements under GVP.