Iowa Code § 301.6: Suit on bond.

If at any time the publishers of such books as shall have been adopted by any board of directors shall neglect or refuse to furnish such books when ordered by said board in accordance with the provisions of this chapter, at the very lowest price, either contract or wholesale, that such books are furnished any other district or state board, then said board of directors may and it is hereby made their duty to bring suit upon the bond given them by the contracting publisher.