Iowa Code § 331.469: Statute of limitation — powers — conflicts.

1. An action shall not be brought which questions the legality of revenue bonds, the power of the board to issue revenue bonds, or the effectiveness of any proceedings relating to the authorization and issuance of revenue bonds, from and after sixty days from the time the bonds are ordered issued by the board.

2. The enumeration in this part of specified powers and functions is not a limitation of the powers of counties, but this part and the procedures prescribed for exercising the powers and functions enumerated in this part control in the event of a conflict with any other law.