Two weeks after the exam, fill out the license application form, and get the license one month after the application form is filled out. At the end of each month, the registration center will summarize the change information of the three types of personnel and report it to the Construction Safety Department and the Construction Management Office of the Municipal Construction Committee. The Construction Safety Department and the Construction Management Department will organize the verification of safety production license and enterprise qualification from time to time according to the changes of personnel information. The safety officer B certificate is matched with the builder's certificate. The certificate is valid for two years, and continuing education is needed at the expiration of the certificate to extend the use period of the certificate. Usually, continuing education is very simple. After studying for 2-3 days, the exam is coming. After passing the examination, you can stamp the certificate and extend the time. If the certificate expires, you can contact the issuing authority, usually the local construction department or construction Committee to organize and implement continuing education.