Certificate of registered supervisor. In principle, this certificate is issued once every two years, but it is actually tested once a year. Application conditions: 1. Having a senior title or intermediate title, having more than three years of practical experience in engineering design or construction management. Second, the training units recognized by the national supervision engineer registration authority have received supervision business training and obtained training certificates. To participate in the supervision engineer qualification examination, the unit to which it belongs shall submit a written application to the local or departmental supervision engineer qualification examination committee, and the examination can only be conducted after examination and approval. Issued by the supervision engineer registration agency after passing the examination & gt. After obtaining the qualification certificate, the engineering construction supervision unit that intends to employ the applicant shall apply to the supervision engineer registration management institution of the region or department where it is located. I just suggested the rules and sent you the requirements.