Iowa Code § 450.55
The provisions of sections 422.26 and 422.30, pertaining to jeopardy assessments and distress warrants, apply to the unpaid tax, penalty, and interest imposed under this chapter. In addition the director of revenue may bring, or cause to be brought in the director's name of office, suit for the collection of the tax, penalty, interest, and costs, against the personal representative or against the person entitled to property subject to the tax, or upon any bond given to secure payment of the tax, either jointly or severally, and upon obtaining judgment may cause execution to be issued as is provided by statute in other cases. The proceedings shall conform as nearly as may be to those for the collection of ordinary debt by suit.
Iowa Code § 450.55