Requirements for becoming a judge of European Wushu Federation:
You have to pass a Duan examination to prove your understanding of wushu techniques. After passing the exam (it can be either taolu or sanda), you shall be registered as a Duan degree holder and allowed to work as trainee or assistant judge during an official EWUF competition. After the evaluation of your work, you shall be awarded a «C» degree EWUF judge title.
After 2 years you can apply to become a «B» degree judge. To do this you should pass your 2d degree Duan examination.
An «A» degree is awarded to judges having at least a 3d Duan degree and have worked as «B» degree judge for at least 3 years.
Only «A» degree judges can be appointed to work as head judges and chief judges during EWUF official events.
Information on the site of European wushu kungfu federation