Hard-pen calligraphy certificate can jump one level, but it can't cross files.
You can't exceed Grade Three for the first time, but you can't cross grades. Grade a: 9~ 10, grade b: 7~8, grade c: 4~6, and grade d: 1~3. You only need to take the corresponding exam content of this level, there is no additional exam content, and there is no charge for other levels.
Grade 9 ~ 10 is registered step by step, and a copy of grade 9 certificate is required to apply for 10.