|(a) Received date. All instruments, correspondence, and material delivered to the executive director shall be stamped or marked "Received' and the date thereof clearly indicated. (b) Acceptance of water use permit application for filing. Any water use permit application requiring commission action shall not be formally accepted for filing by the commission until it is reviewed by the executive director as to form, fees, and data required by law and declared administratively complete under §281.17 of this title (relating to Notice of Receipt of Application and Declaration of Administrative Completeness). No substantive changes may be made after an application has been filed with the chief clerk of the commission by the executive director. Applications for permits to appropriate state water or amendments to permits, certified filings, or certificates of adjudication shall not be considered filed as required by the Texas Water Code,
§11.141, until declared administratively complete by the executive director and filed by the executive director with the chief clerk of the commission.