Notwithstanding any provision of any other law related to the annexation or disannexation of territory, including but not limited to the requirement that the minimum width of any territory annexed be at least 1,000 feet in width, a municipality that has exercised limited purpose annexation may disannex any land located within a municipal utility district. Such disannexation shall not affect the validity of the annexation of other territory. Such municipality may refund any taxes paid or waive any taxes due to the municipality by the owners of the property disannexed pursuant to the provisions of this section.