Legal analysis: A sole proprietorship enterprise shall submit the annual inspection report, business license and other related materials to the administrative department for industry and commerce before March 15 every year. Provide annual inspection reports of sole proprietorship enterprises and their branches; The original, duplicate and official seal of the business license of the sole proprietorship enterprise and its branches; Provide electronic business license if there is an electronic business license; Original administrative license certificate provided by special industries (food, health, etc.). ); The original and photocopy of the organization code certificate of the partnership enterprise and its branches; The original and photocopy of the tax registration certificate of the partnership enterprise and its branches; Copy of investor's ID card. Pay the annual inspection fee. If an enterprise passes the annual inspection, the administrative department for industry and commerce shall affix the annual inspection mark on the original and duplicate of its business license. The annual inspection marks shall be uniformly printed by the State Administration for Industry and Commerce.

Legal basis: Article 9 of the Law of People's Republic of China (PRC) on Sole proprietorship Enterprises stipulates that when applying for the establishment of a sole proprietorship enterprise, the investor or his entrusted agent shall submit the application for establishment, the investor's identity certificate, the certificate of use of the production and business premises and other documents to the local registration authority of the sole proprietorship enterprise. When an entrusted agent applies for registration of establishment, it shall issue the power of attorney of the investor and the legal certificate of the agent. A sole proprietorship enterprise shall not engage in business prohibited by laws and administrative regulations; To engage in business that must be reported to the relevant departments for examination and approval according to laws and administrative regulations, the approval documents of the relevant departments shall be submitted when applying for establishment registration.