According to the Management Regulations of Grade II Construction Engineer, the registration certificate and practicing seal are valid for 3 years, and an application for renewal of registration shall be made after the expiration of 3 years. Continuing education can only be attended once within 3 years, and passed the examination. The general construction administrative department will hold it once a year. You can pay attention to the notice of official website, the local construction administrative department (Ministry of Housing and Urban-Rural Development).
If it is necessary to continue practicing after the expiration of registration, it shall apply for renewal of registration in accordance with the provisions of Articles 7 and 8 30 days before the expiration of registration. If the registration is renewed, the validity period is 3 years.