A judge shall not intentionally disclose or use nonpublic information* acquired in a judicial capacity for any purpose unrelated to the judge's judicial duties.
Iowa. Code. Jud. Cond. 51:3.5
Comment
[1] In the course of performing judicial duties, a judge may acquire information of commercial or other value that is unavailable to the public. The judge must not reveal or use such information for personal gain or for any purpose unrelated to his or her judicial duties.
[2] This rule is not intended, however, to affect a judge's ability to act on information as necessary to protect the health or safety of any individual if consistent with other provisions of the Iowa Code of Judicial Conduct.