Need. When you share a restaurant, you need to sign a written contract of sharing, it is necessary to apply for a business license according to law, do not apply for a business license is illegal, in the application for a business license need to comply with the appropriate procedures, you need to submit the applicant's identity card or by the applicant entrusted by the relevant proof, the name of the individual industrial and commercial enterprises pre-registration application, regulations, rules and policies should be submitted to the other Documents and certificates. Business license is issued by the industrial and commercial administrative organs to industrial and commercial enterprises, individual operators are allowed to engage in a production and business activities of the credentials, the format of the State Market Supervision and Administration of the unified regulations.