Sand and gravel excavation party apply for permit extension complying with the requirements listed in Article 6 shall submit the request for extension six month prior to initial permit expiration. For those sand and gravel excavation permit period within one year, the application for extension shall be submitted two month prior to the expiration of the initial permit period.

Provision under Articles 10, 13 and 15 shall apply the application for the extension of sand and gravel excavation.