(a) A petition to exclude land may be filed with the board by the owners of a majority in acreage of land described by Section 51.759 that is located in the district.
(b) The petition must accurately describe the land to be excluded by metes and bounds or lot and block number. A petition for exclusion of other property must describe the property to be excluded.
(c) The board may initiate a proceeding to exclude land without receiving a petition by holding a hearing on its own motion and issuing an order as provided by Section 51.761.