Legal analysis: when applying for registration of group establishment, all documents and certificates are complete, and the administrative department for industry and commerce should complete the approval or rejection procedures within five to fifteen working days after accepting the application. The condition of merging into the group is that the registered capital of the parent company (core enterprise) of the enterprise group is more than 50 million yuan, and it has at least 5 subsidiaries.
Legal basis: Article 12 of the Company Law of People's Republic of China (PRC). The business scope of the company is stipulated in the articles of association and registered according to law. A company may amend its articles of association and change its business scope, but it shall register the change. Projects that are required to be approved by laws and administrative regulations in the company's business scope shall be approved according to law.