This document provides an overview of Good Manufacturing Practice (GMP) requirements for pharmaceutical manufacturers in the US, EU, and Japan. It discusses the different regulatory authorities for each region, including the FDA, EMA, and PMDA. The document also outlines the key topics that will be covered, such as ICH guidelines, GMP compliance and inspections, differences between regions, and specifics on FDA, EU, and Japan inspections. The goal is to highlight both the commonalities and differences in GMP standards and inspection focus internationally.