§ 728. Amendment or repeal of regulations
Any owner or person in possession of land within a district may at any time file a petition with the supervisors asking that any or all of the land-use regulations prescribed in any ordinance adopted by the supervisors under the provisions of this chapter shall be amended, supplemented or repealed. Land-use regulations prescribed in any ordinance adopted pursuant to the provisions of this chapter shall not be amended, supplemented or repealed except in accordance with the procedure prescribed in this chapter for adoption of land-use regulations. Referenda on adoption, amendment, supplementation or repeal of land-use regulations shall not be held more often than once in six months.