Section 221. Oath and bond of commissioners

Within ten days after his
  appointment, and before entering upon the discharge of any of the duties
  of  his  office,  each  commissioner  shall  take  and   subscribe   the
  constitutional oath of office, which shall be filed in the office of the
  clerk  of the county and shall execute a bond to the people of the state
  in the penal sum of twenty-five  thousand  dollars,  with  two  or  more
  sureties,  to  be  approved  by  a  justice  of the supreme court of the
  department in which the railroad is to be built and conditioned for  the
  faithful  performance  of  the duties of the office, which bond shall be
  filed in the office of the clerk of the county.