Iowa Code
Chapter 249B - MEDICAL ASSISTANCE TO INSTITUTIONALIZED SPOUSES
Section 249B.6 - Interest on spousal support debts.

249B.6 Interest on spousal support debts.
Interest accrues on a spousal support debt at the rate provided in section 535.3 for court judgments. The department may collect the accrued interest, but is not required to maintain interest balance accounts. The department may waive payment of the interest if the waiver will facilitate the collection of the spousal support debt.
90 Acts, ch 1098, §6