According to the introduction of Beijing Sports Bureau, in accordance with the provisions of the Measures for the Administration of Referees in Beijing Sports Competition, applying for a third-level referee for football should meet the following conditions: mastering and correctly applying the competition rules and referee regulations of this project, being competent in referee work, and passing the training and examination by the county-level sports administrative department, you can apply for a third-level referee. Referee exams do not restrict household registration. For details, please contact the person in charge of Fengtai District Sports Bureau at 638 143 19.

The management methods in different places are similar, so it's best to ask the local sports bureau for detailed telephone consultation.