Legal analysis: the validity period of business license is generally 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. The date of issuance of the Food Business License is the date when the licensing decision is made, and the validity period is usually 5 years. Where the licensing items specified in the food business license are changed, the food business operator shall apply to the original food and drug supervision and administration department for changing the business license within 10 working days after the change.

Legal basis: Article 15 of the Regulations for the Implementation of the 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.