Iowa Code § 459.508
The department shall adopt administrative rules pursuant to chapter 17A necessary to administer this subchapter.
95 Acts, ch 195, §10 CS95, §204.7 98 Acts, ch 1209, §50 C99, §455J.9 2002 Acts, ch 1137, §68, 71; 2002 Acts, 2nd Ex, ch 1003, §260, 262 C2003, §459.508