This manual provides guidelines for the Anti-Corruption Tribunal (ACT) on various aspects of handling corruption cases. It addresses [1] the different types and definitions of corruption, [2] the jurisdiction and mandate of the ACT, and [3] frameworks for ensuring a fair trial process that complies with principles of court excellence, judicial ethics, and individual rights. The manual also outlines [4] procedures for case management, prosecution, evidence collection, international cooperation, and sentencing. It aims to support the ACT in effectively investigating and trying corruption offenses domestically and across borders in a lawful, impartial and transparent manner.