Iowa Code § 909.7: Ability to pay fine presumed.

1. A defendant is presumed to be able to pay a fine. However, if the defendant proves to the satisfaction of the court that the defendant cannot pay the fine, the defendant shall not be sentenced to confinement for the failure to pay the fine.

2. A defendant who proves that the defendant cannot pay the fine may, at the discretion of the court, be ordered to perform community service pursuant to section 909.3A.