Two months after white stripe yo is eligible to test for green stripe by performing Naihanchi, Wansu and Sanchin Katas.
Two months after green stripe yo is eligible to test for Black Stripe by performing Chinto and Kushanku Katas. The black stripe denotes Black Belt Candidate status. At this point the candidate spends a year polishing their katas and gets ready for the Black Belt exam.
Two months after receiving white stripe yo is eligible to test on the second third of Kusanku Kata for green stripe. The second third of Kusanku is: After 2nd jumping crescent/back kick. Where you stand up and punch twice.
Two months after receiving green stripe yo is eligible to test for Ikkyu. Performing Kusanku Kata with proficiency. This is an official rank which is denoted by a additional red stripe. When a karate-ka reaches the rank of Ikkyu, yo is a 3rd degree brown belt and wears three red stripes on their obi.
Two months after reaching Sankyu yo is eligible to test on the first half of Chinto Kata for white Stripe. The half-way point of Chinto is: Chicken head block/hammer fist strike.
Two months after receiving white stripe yo is eligible to test on the whole Chinto Kata for green stripe.
Two months after receiving green stripe yo is eligible to test for Nikyu. Performing both Chinto and Seisan Katas with proficiency. This is an official rank which is denoted by a additional red stripe. When a karate-ka reaches the rank of Nikyu, yo is a 2nd degree brown belt and wears two red stripes on their obi.
