Athletes under the age of 16 may not register more than 16 for the first time.
For athletes under the age of 16, the registration agreement must be signed by their guardians and the athletes themselves, and may not be signed on their behalf.
Athletes aged 16 can apply for the first time for up to 9 years.
Track and field athletes refer to athletes belonging to relatively high-level sports units. When it is necessary to decide the ownership, at least when the provincial sports team participates in the national competition, the unit or sports unit shall register with the China Athletics Association.