1, review cycle, special operation certificate, which needs to be reviewed every 3 years; During the validity period of the certificate, the holder has been engaged in this work continuously for more than 10 years, and the holder can re-examine it every 6 years after the approval of the local issuing authority.
2. Re-examination materials: The holder shall apply for re-examination to the local issuing authority within 60 days before the re-examination period, and provide materials, including health certificates issued by medical institutions in the community or at or above the county level, safety training and examination records, and special operations.