Car rental in Montgomery Regional Airport (MGM) with Enterprise. Please proceed to the National Car Rental location.Continue to the counter to obtain your rental agreement. Simply print your rental agreement to bring with you, and you are all set! You must meet the minimum age restrictions, present a valid driver's license and possess an acceptable charge card in your name. If the car is in your name and it was not a gift to your daughter, you certainly may get a local attorney to write that letter for you. Copies of the Montgomery County Landlord-Tenant Handbook are available online at. You don't want a simple contract. That could enable your renter to stop paying, and not return your car whenever you need it for your own use. The printed lease form must be labeled "lease agreement," "retail lease agreement," or "motor vehicle lease agreement.