Get ready for Japan’s eCTD v4.0 regulatory submission with our detailed checklist. This guide walks you through each step—from dossier preparation and format requirements to supporting documents, validation checks, and timelines. A must-read for regulatory teams seeking smooth, compliant submissions in Japan. https://japan.freyrsolutions.com/blogs/japan-ectd-v4-0-submission-checklist-a-step-by-step-guide