2. If the catering service provider needs to extend the Catering Service License, it shall submit a written application for extension to the original issuing department 30 days before the expiration of the validity period of the Catering Service License. If an application for extension is filed within the time limit, it shall be handled in accordance with the newly applied "Catering Service Permit". To apply for extension of catering service license, the following information shall be provided:
(1) An application for renewal of the catering service license;
② A copy of the original catering service license;
(3) An explanation of whether the business premises, layout technology and sanitary facilities of the original catering service license have changed;
(four) the health examination certificate of the employees;
⑤ Other materials deemed necessary by the food and drug supervision and administration department.