The second level is the same as above, and the sports bureau can also apply, which requires certain basic skills.
People who need to know about the sports bureau or the first-level referee circle need to pay money and need training. There are several places at the national referee level, so it would be better if there is a relationship.
Above the national level A and B, it shall be approved by the General Administration of Sport.
Finally, it was recommended by the General Administration of Sport and approved by fila.