Unqualified health certificates have unqualified records. What do you mean?

"Unqualified health certificate has an unqualified record" means that the holder is found to have a disease, and his health certificate will be unqualified if he fails to check or conceal his illness according to the regulations. In order to ensure the health and safety of the company, the holder will be required to re-examine or accept further medical examination, and then re-apply for a health certificate after ensuring compliance with relevant regulations.