The board of supervisors shall adopt an order calling and providing for a bond election, which order shall state:
- (a) The purpose or purposes for which the indebtedness is to be incurred.
- (b) The amount of bonds proposed to be issued.
- (c) The maximum rate of interest.
- (d) The date of the election.
- (e) The manner of holding the election and the procedure for voting for or against the proposition.