Iowa Code Title V. Agriculture [Chs. 159-215A] § 169C.4. Liability

a. To a landowner for damages caused by the livestock owner's livestock which have trespassed on the landowner's land, including but not limited to property damage and costs incurred by the landowner's custody of the livestock including maintenance costs. A livestock owner's liability is not affected by the failure of a landowner to take custody of the livestock. A livestock owner shall not be liable for damages incurred by a landowner if the livestock trespassed through a fence that was not maintained by the landowner as required pursuant to chapter 359A.

b. To a landowner who takes custody of livestock on a public road as provided in section 169C.2 for costs incurred by the landowner in taking custody of the livestock, including maintenance costs.

c. To a local authority which takes custody of livestock for costs incurred by the local authority in taking custody of the livestock, including maintenance costs.