Iowa Code § 450.2
The following estates and property and any interest in or income from any of the following estates and property, which pass from the decedent owner in any manner described in this chapter, are subject to tax as provided in this chapter:
[C97, §1467; S13, §1481-a; C24, 27, 31, 35, 39, §7306; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §450.2] 2003 Acts, ch 95, §2, 24