Section 32
SEC. 32. The board of directors created by section twenty of this Act shall have general supervision, management, and control of the affairs of said bank and shall from time to time fix the rate of interest, discount or exchange to be charged by said bank and make public announcement of the same at the head office. The board of directors may also fix different rates of interest on loans in accordance with the different classes of securities herein specified: Provided, That it shall not be lawful for said National Bank to charge interest on overdrafts. The board of directors shall make and publish semiannually a general balance of the business of said bank.