No railroad, transportation, transmission, or other public service corporation in existence at the time of the adoption of this Constitution, shall have the benefit of any future legislation, except on condition of complete acceptance of all the provisions of this Constitution, applicable to railroads, transportation companies, transmission companies, and other public service corporations: Provided, That nothing herein shall be construed as validating any charter which may be invalid, or waiving any of the conditions contained in any charter.
Structure Oklahoma constitution