Iowa Code § 331.755: Prohibited actions — outside counsel authorized.

1. A county attorney shall not:

a. Accept a fee or reward from or on behalf of a person for services rendered in a prosecution or the conduct of official business.

b. Engage directly or indirectly as an attorney or an agent for a party other than the state or the county in an action or proceeding arising in the county that is based upon substantially the same facts as a prosecution or proceeding that has been commenced or prosecuted by the county attorney in the name of the state or the county. This prohibition also applies to the members of a law firm with which the county attorney is associated.

c. Receive assistance from another attorney who is interested in any civil action in which a recovery is asked based upon matters involved in a criminal prosecution commenced or prosecuted by the county attorney.

2. A board of supervisors may, with a majority vote of the board, obtain outside counsel to represent the board of supervisors or any other county official.