Iowa Code
Chapter 610A - CIVIL LITIGATION BY INMATES AND PRISONERS
Section 610A.4 - Cost setoff.

610A.4 Cost setoff.
The state or a county or municipality shall have the right to set off the cost of incarceration of an inmate or prisoner at any time, following notice and hearing, against any claim made by or monetary obligation owed to an inmate or prisoner for whom the cost of incarceration can be calculated.
95 Acts, ch 167, §4; 96 Acts, ch 1079, §18