Section 633A.4602 - Dissenting cotrustees1. A cotrustee who does not join in exercising a power is not liable to a third party for the consequences of the exercise of the power.2. A dissenting cotrustee who joins in an action at the direction of the majority cotrustees is not liable to a third party for the action if the dissenting cotrustee expresses the dissent in writing to any other cotrustee at or before the action is taken.3. This section does not excuse a cotrustee from liability for failure to discharge a cotrustee's duties as a trustee.