This document provides recommendations to technical officials, such as umpires, service judges, and line judges, for how to control a badminton match. It discusses the roles and responsibilities of officials, how to make calls and announcements during the match, how to handle situations like player delays or coaching, and recommendations for specific procedures before, during, and after the match. The key responsibilities of officials include making fair and accurate calls, ensuring players follow the rules, and controlling the flow of the match in a way that prioritizes player experience over strict enforcement.