Legal analysis: The validity period of the Catering Service License is 3 years; Where the business place or place of catering service changes, it shall re-apply for the "Catering Service License"; The Catering Service License shall not be transferred, altered, lent, resold, leased, etc.

legal basis: article 27 of the measures for the administration of catering service license. the catering service license shall specify the name, address, legal representative (person in charge or owner), category, remarks, license number, issuing authority (with official seal), issuing date, validity period and other contents. Article 28 The style of the Catering Service License shall be uniformly stipulated by the State Food and Drug Administration. The format of license number is: abbreviation of province, autonomous region and municipality directly under the central government+meal certificate word +4-digit year number +6-digit administrative region code +6-digit administrative region issuing sequence number. Twenty-ninth "catering service license" is valid for 3 years. Temporarily engaged in catering service activities, the validity of the "catering service license" shall not exceed 6 months. Thirtieth the same catering service provider engaged in catering service activities in different places or places, should be handled separately "catering service license". Where the business place or place of catering service changes, it shall re-apply for the "Catering Service License". Article 31 The Catering Service License obtained by a catering service provider shall not be transferred, altered, lent, resold or leased. The catering service provider shall operate in accordance with the license scope, and hang or place the "Catering Service License" in a prominent position in the dining place.