Primary and secondary school students must carry the second-generation resident ID card in the football match. If the athletes from other provinces have no ID cards, the school will issue the entry certificate, and affix the school seal (A4 paper) on the photos, which can be checked by the referee before playing.
In addition, school teachers and competition organizers will also verify the identity of the players and whether the registration information is complete. These checks are aimed at ensuring the fairness and legitimacy of competition.