This document provides band descriptors for writing tasks in the IELTS exam. It describes the levels of achievement in coherence/cohesion, lexical resource, grammatical range/accuracy for bands 9 to 1. Band 9 requires fully satisfying all task requirements with rare minor errors. Band 6 addresses requirements and presents key points adequately with some organization, but details may be inaccurate. Band 3 fails to address the task or presents irrelevant ideas with limited organization and cohesive devices.