The City Council inspects the executive body on administrative affairs over a period of less than 10 days during the regular session of each year. Special matters may be inspected and judged during the plenary session if such cases are formally proposed by more than 1/3 of the registered members. If deemed necessary, the Council may request an onsite inspection or the submission of related documents, or may request the presence of the Mayor, related government officials, or other persons as witnesses to testify under oath, or to present comments as references The Mayor or related government officials may attend Council meetings and report the actions taken to the Administrative Affairs Inspection Office, or present their opinions or answers with regard to such actions.