621.7 Prohibited sureties. 
 No attorney or other officer of the court shall be received as security in any proceeding in court. 
[R60, §3446; C73, §2931; C97, §3851; C24, 27, 31, 35, 39, §11251; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §621.7] 
Similar provision, §636.5
Structure Iowa Code
Title XV - JUDICIAL BRANCH AND JUDICIAL PROCEDURES
Chapter 621 - SECURITY FOR COSTS
Section 621.1 - Bond for costs.
Section 621.2 - Nonresident intervenor — action in probate.
Section 621.4 - Dismissal for failure to furnish.
Section 621.5 - Becoming nonresident.
Section 621.6 - Additional security.
Section 621.7 - Prohibited sureties.