Any approved changes to any lot or lots shall be recorded by the property owner, in the Office of the Recorder of Deeds, in and for Sussex County, in Georgetown, Delaware, within 30 days of such approval. The property owner shall provide a copy of the recording information, including date, time, book and page of said recording, to the Town within seven calendar days of such recordation. If the approved changes are not recorded within 30 calendar days of the Commissioners' approval, the approval shall be null and void and shall have no effect; provided, however, that the Town Manager may extend the recordation date for good cause.