1. Such proceedings shall be conducted:

 a. By the attorney general when the damages are payable from the state treasury.
 b. By the county attorney, when the damages are payable from funds disbursed by the county or by any township.
 c. By the city attorney, when the damages are payable from funds disbursed by the city.
 2. This section shall not be construed as prohibiting any other authorized representative from conducting such proceedings.