This document is a handbook for supervising doctors in training. It provides guidance on supervision best practices for ensuring patient safety, overseeing trainees, and structuring supervision within clinical terms. The handbook covers key topics such as the supervisor's role in patient safety and active supervision of trainees, understanding trainees' competencies, managing trainee well-being, the responsibilities of registrars in supervising, and using the Australian Curriculum Framework to design supervision within a clinical term. The goal is to give supervisors a framework to support trainees' learning and development while meeting clinical demands.