The validity period of the CDA Data Analyst Certificate is three years, and an annual review is conducted every three years. It mainly examines the career development of data analysts; changes in academic qualifications, work units and professional qualifications; continued The education situation, that is, whether there is continuous acceptance of a certain form of organized theoretical knowledge, professional skills and professional ethics education and training activities, and constantly improve and maintain their professional competence and professional ethics.

Annual inspection process:
1. Enter the examination system, http://exam.cda.cn/, register, fill in the academic qualifications, address, unit position, contact information and other information.

2. Upload the electronic version of the original "CDA Data Analyst Certificate" to the attached file (you can upload a clear photo). If there is a person who has lost the certificate, please upload the electronic version of the ID to the attached file. Complete the registration and log in.

3. Go to the "Annual Examination of Holders" page, select the corresponding grade certificate and the date of issuance, apply for the annual inspection, and pay the annual inspection fee.

4. Continuing education and completing the required courses for annual inspection. (Compulsory courses will be sent to the candidate's mailbox after applying for annual inspection and paying the fee)

5. According to the requirements of the annual inspection course, the compulsory course is completed before the certificate expiration date. After completion, no examination is required. The expiration will pass the annual examination. The CDA official will update the certificate and query information.