Iowa Code § 321.223: Driver’s license inspection for motor vehicle rental.

A person shall not rent a motor vehicle to another person without inspecting the driver’s license of the person to whom the vehicle is to be rented and doing all of the following:

1. A comparison and verification of the signature on the driver’s license with the signature of such person written in the inspecting person’s presence.

2. A comparison and verification of the person to whom the motor vehicle is to be rented with the photograph and other identification information on the person’s driver’s license.

3. A determination that the driver’s license of the person to whom the vehicle is to be rented is valid for operating the vehicle to be rented.