Iowa Code § 602.10110 : JUDICIAL BRANCH AND JUDICIAL PROCEDURES — COURTS — JUDICIAL BRANCH — ATTORNEYS AND COUNSELORS — Oath or affirmation

All persons on being admitted to the bar shall take an oath or affirmation, as promulgated by the supreme court, declaring to support the Constitutions of the United States and of the state of Iowa, and to faithfully discharge, according to the best of their ability, the duties of an attorney.