To the extent a beneficiary's interest is not subject to a spendthrift provision, and subject to sections 633A.2305 and 633A.2306, the court may authorize a creditor or assignee of the beneficiary to reach the beneficiary's interest by levy, attachment, or execution of present or future distributions to or for the benefit of the beneficiary or other means.
Iowa Code § 633A.2301
99 Acts, ch 125, §22, 109 2004 Acts, ch 1015, §27; 2005 Acts, ch 38, §38, 54, 55 2008 Acts, ch 1119, §21; 2008 Acts, ch 1191, § 131