The validity period of the right to use green food signs is generally three years. According to the law, if the green food sign is registered as a certification trademark according to law, it shall be protected by law. Among them, green food refers to safe and high-quality edible agricultural products and related products produced in excellent ecological environment, produced according to green food standards, and subject to full-process quality control and obtained the right to use green food signs. Legal objectivity:

Article 18 of the Measures for the Administration of Green Food Labels

The green food label use certificate is valid for three years.

if the certificate expires and it is necessary to continue to use the green food sign, the sign user shall submit a written application for renewal to the provincial working institution three months before the expiration of the certificate. Provincial working institutions shall organize the completion of relevant inspection, testing and material review within forty working days. Those who pass the preliminary examination shall be decided by China Green Food Development Center within ten working days whether to approve the renewal. If the renewal is granted, the green food mark use contract shall be renewed with the mark user, and a new green food mark use certificate shall be issued and announced; If it is not renewed, the user of the sign shall be notified in writing and the reasons shall be informed.

if the user of the sign fails to apply for renewal within the time limit, or the application for renewal is not passed, he shall not continue to use the green food sign.