Iowa Code § 671.9: Liability during transit.

Except as provided in section 671.8 no keeper or owner of any hotel, inn, rooming house or eating house shall be liable for the loss of or damage to the personal property kept therein of any guest, while the said conveyance is in transit between the said hotel, inn, rooming house or eating house and any garage in which the same is temporarily stored, nor for any damage done by said conveyance while in transit, unless in said transit the same is being driven or operated by an employee or agent of the said hotel, inn, rooming house or eating house.