Iowa Code § 524.1001

When approving a proposed state bank, or at any time subsequent thereto upon amendment of its articles of incorporation, the superintendent may authorize a state bank to act in a fiduciary capacity. In determining whether the superintendent shall authorize a state bank to act in a fiduciary capacity, the superintendent may consider any of the relevant criteria referred to in section 524.305, and other appropriate facts and circumstances. In any fiduciary capacity in which a state bank may act pursuant to this section, it shall have all the rights and duties which an individual has in such capacity under applicable law and under the terms upon which the state bank is designated to act in such capacity. In authorizing a state bank to act in a fiduciary capacity, the superintendent may limit such authorization to such capacities as the superintendent deems appropriate.