Iowa Code § 435.33: Rent reimbursement.

A home owner who qualifies for a reduced tax rate provided in section 435.22 and who rents a space upon which to set the home shall be entitled to the protections provided in sections 425.33 through 425.36 and if the home owner who qualifies for a reduced tax rate believes that a landlord has increased the home owner’s rent because the home owner is eligible for a reduced tax rate, the provisions of sections 425.33 and 425.36 shall be applicable.