Notwithstanding any provision to the contrary in Chapter 1.5 (commencing with Section 2161), Part 4, Division 1, of the Revenue and Taxation Code, the charter shall contain provisions either establishing a limitation on the combined ad valorem property tax rate and increases in such tax rate which may be levied by the city-county and reorganized local jurisdictions under said charter or establishing a method to limit such combined ad valorem property tax rate or increases in such tax rate, to the extent that the California Constitution or state law applicable to the city-county from time to time may require such a limitation on the ad valorem property tax rate and increases in such rate by the city-county.