I received my Goju-ryu rank many yrs ago and have since, studied other disciplines and styles. At the time, (with the TKD school), I was studying WTF TKD. To broaden my knowledge, so to speak. The instructor ranked me as 1st Degree BB and asked for $400 to apply for Kukkiwon Certification. I have since found out, that he doesn't even have the credentials to apply me to the Kukkiwon, which is why I asked him for my money back.