Generally speaking, the business license of individual industrial and commercial households has no time limit, but the business license of enterprises may have a time limit, depending on the provisions of the articles of association. 1. What should I do if the small catering business license expires? When the business license expires, bring the original and photocopy of the business license, enterprise code certificate, official seal and legal person seal to the industrial and commercial branch registered by your company for handling. Business license is a certificate issued by the administrative department for industry and commerce to industrial and commercial enterprises and individual operators to engage in certain production and business activities. Its format shall be uniformly stipulated by the State Administration of Market Supervision. The registered items include: name, address, person in charge, amount of funds, economic composition, business scope, business mode, number of employees, business period, etc. Business licenses are divided into originals and duplicates, which have the same legal effect. The original shall be placed in a prominent position in the company's domicile or business premises, and the business license shall not be forged, altered, leased, lent or transferred. Without a business license, industrial and commercial enterprises or individual operators are not allowed to start business, engrave official seals, sign contracts, register trademarks or advertise, and banks are not allowed to open accounts. Two. Business license address change process (1) Go to the industrial and commercial department where the new address is located to handle the Notice of Enterprise Registration File Transfer; (2) Go to the original industrial and commercial registration department to handle the formalities of industrial and commercial data transfer with the Notice of Enterprise Registration File Transfer, and the industrial and commercial departments of the two places will mail the data. The industrial and commercial department of the old address shall issue a notice of approval for the enterprise to move out after accepting the notice of transfer of enterprise registration files; (3) After the formalities are completed, the industrial and commercial department waiting for the new address calls the enterprise after receiving the industrial and commercial information of the enterprise, and goes to the new industrial and commercial department to handle the specific address change with the Notice of Approval of Enterprise Moving out. Seven days after the formalities are completed, it goes to the licensing window with the Notice of Registration of Relocation to obtain a new business license. 3. What materials are needed for the change of business license address? (1) An application for company change registration signed by the legal representative; (2) Power of attorney for enterprise (company) to apply for registration; (3) resolutions of the shareholders' meeting. (4) Amendments to the Articles of Association sealed or signed by shareholders (natural person shareholders); (5) If the laws and administrative regulations stipulate that the change of domicile must be approved by the relevant departments, the approval documents of the relevant departments shall be submitted; (six) the certificate of use of the new residence; (7) A copy of the business license of the enterprise as a legal person, with complete information, can be obtained from the Notice of Transfer of Enterprise Registration Files and the Notice of Relocation and Change of Registration. According to the law, you can know that the business license has expired. Take the original and copy of the business license, enterprise code certificate, official seal and legal person seal to the industrial and commercial branch office where your unit is registered.