A bailment or lease of a motor vehicle is a retail installment transaction if the bailee or lessee:
(1) contracts to pay as compensation for use of the vehicle an amount that is substantially equal to or exceeds the value of the vehicle; and
(2) on full compliance with the bailment or lease is bound to become the owner or, for no or nominal additional consideration, has the option to become the owner of the vehicle.
Official text of the Texas Finance Code as published by the Texas Legislative Council.