This is effective. The validity period of the certificate of Beijing Dance Academy, the certificate of Beijing Dance Academy, is basically permanent. Generally speaking, just like our grade examination certificate, the certificate of dancing North North North North, the second-class athlete certificate of athletes, or the first-class athletes, it has proved to be effective for a long time.

Generally, the three-year folk dance test grade is *** 12, which is introduced as follows: the qualification certificate of China folk dance test grade is divided into the following grades: 1-3, 7-9, 13- 15, 4-6 and 65438. China National and Folk Dance Examination Center organizes teacher training courses throughout the country, and the examination center selects senior teachers and examiners to conduct local teaching and examinations.