Iowa Statutes § 49.93 Number of votes for each office

For an office to which one person is to be elected, a voter shall not vote for more than one candidate. If two or more persons are to be elected to an office, the voter shall vote for no more than the number of persons to be elected. If a person votes for more than the permitted number of candidates, the vote for that office shall not count. Valid votes cast on the rest of the ballot shall be counted.