How to understand the "operational stability" in the access requirements of the selected layer? How should intermediaries check?

The issuer shall maintain the stability of its main business, control right and management team, and its main business has not changed significantly in the last 24 months; Where there has been a major asset reorganization in recent 12 months, before the reorganization is implemented, the issuer shall meet one of the four sets of standards (except market value) stipulated in Article 15 of the Measures for the Administration of Grades; The actual controller has not changed in the last 24 months; In the last 24 months, there have been no major adverse changes in directors and senior management. The recommendation institution shall, in line with the principle that substance is more important than form, comprehensively analyze two factors when determining whether the directors and senior managers of the issuer have undergone major adverse changes: first, the number and proportion of people who have changed in the last 24 months, and when calculating the proportion of people, the total number of the above personnel shall be taken as the base; Second, whether the resignation of the above-mentioned personnel or their inability to normally participate in the production and operation of the issuer has a significant adverse impact on the production and operation of the issuer. The above-mentioned personnel added after the change come from the appointment of the original shareholders or the internal training of the issuer, which does not constitute a major adverse change in principle; In principle, the position of the management of the issuer changes due to retirement, transfer, inheritance between relatives and other reasons. , does not constitute a major adverse change, but the issuer shall disclose the impact of changes in relevant personnel on the company's production and operation; A significant change in the proportion of the above-mentioned personnel of the issuer or a change in the core personnel of the above-mentioned personnel in the last 24 months will have a significant adverse impact on the production and operation of the issuer, which is regarded as a major adverse change.