In JKA karate, there are 10 Dan and 10 Kyu. To acquire certificate for each position, you should satisfy the confirmation prerequisites and complete the testing system. Testing—or grading—is carried out by a panel of instructors authorized as JKA technical examiners.
For details please visit https://www.jka.or.jp/en/about-jka/dan-ranking/

To be eligible for testing, you must first have gained the appropriate amount of continuous experience at your current rank. For further details contact to please contact to support@jkanoida.com