(1) After obtaining the intermediate vocational qualification certificate of this occupation, he has been engaged in this occupation for more than 4 years continuously, and has obtained the graduation (completion) certificate after reaching the prescribed standard hours through the advanced formal training of this occupation.

(two) after obtaining the intermediate vocational qualification certificate, he has been engaged in this occupation for more than 8 years.

(3) Obtain a vocational (professional) graduation certificate from a senior technical school or higher vocational school with advanced skills as the training goal, and verify it by the administrative department of labor and social security.

(4) College graduates of this major or related majors have been engaged in this occupation for more than 3 years after obtaining the intermediate vocational qualification certificate.