article 19 of the measures for the administration of food business license stipulates that the date of issuing the food business license is the date when the licensing decision is made, and the validity period is 5 years. If it is necessary to renew the food business license before it expires, it shall apply to the food and drug supervision and administration department that originally issued the license 31 working days before the expiration of the validity period. When applying for renewing the food business license, the food business operator shall submit the following materials: (1) An application for renewal of the food business license; (2) The original and duplicate of the food business license; (3) Other materials related to the renewal of the food business license.

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Article 19 of the Measures for the Administration of Food Business License

stipulates that the date of issuing the food business license is the date when the licensing decision is made, and the validity period is 5 years.

article 29 stipulates that if a food business operator needs to extend the validity of a legally obtained food business license, it shall apply to the food and drug supervision and administration department that originally issued the license 31 working days before the expiration of the validity of the food business license.