Each land disturbance permit shall contain a specified term as determined by the city. The date the land disturbance permit expires shall be noted on the land disturbance permit. No person shall perform land disturbance, grading, relocation of earth, or any other land disturbance activity beyond the expiration date, unless an extension of term is granted or a new land disturbance permit is obtained in accordance with this title. (2001 Code § 81-2-210)