IOWA
| Restriction | Explanation |
| Applicant/subject cannot be required to pay for background check or portion of | If a certified copy of criminal history data is requested in writing from the state, the employer must pay for such fees. |
| Use of arrest record with no conviction | A signed release is required for disclosure of criminal history data that does not contain any disposition after eighteen months from the date of arrest, or successful completion of probation following a deferred judgment. |