(a) Notwithstanding any other provision of this Article, the offices of township collector in Sangamon County are discontinued on January 1, 2022. On January 1, 2022, the Sangamon County Treasurer assumes the duties of each township collector in Sangamon County.
     (b) If a township collector’s office becomes vacant in Sangamon County before January 1, 2022, the vacancy may not be filled and the Sangamon County Treasurer shall assume the duties of that township collector.