The validity period of Safety B Certificate is 3 years, and the application for extension shall be submitted online by the enterprise where Safety B Certificate is located 3 months before its expiration. Under normal circumstances, the continuing education of safety officer B certificate is very simple. After studying for 2-3 days, the exam is coming. After passing the examination, the certificate shall be stamped with the examination seal, and the time shall be postponed. When the certificate expires, the enterprise will contact the issuing authority, usually the local construction department or the Construction Committee to organize and implement continuing education.

After the B-level certificate of safety officer expires, continuing education and training must be carried out immediately, otherwise the bidding and annual examination qualifications of companies and enterprises will be affected. Safety officer B certificate is matched with builder's certificate, and continuing education is needed when the certificate expires to prolong the service life of the certificate. Improve their safety management knowledge and skills, ensure their safety management level at work, and meet the requirements of national safety production laws and regulations.