Legal analysis: The validity period of the Catering Food Business License is 5 years. The date of issuance is the date when the licensing decision is made. Different foods have different production licenses. Six months before the expiration of the food license, it shall apply to the quality and technical supervision department for extension. According to the relevant laws and regulations of our country, if the production and operation conditions of food producers and operators change and no longer meet the requirements of food production and operation, food producers and operators should immediately take corrective measures.

Legal basis: Article 15 of the Implementation Regulations of People's Republic of China (PRC) Food Safety Law is valid for 5 years. If the production and operation conditions of food producers and operators change and no longer meet the requirements of food production and operation, food producers and operators shall immediately take corrective measures; If it is necessary to go through the licensing procedures again, it shall be handled according to law.