While there are no special requirements for the actual purchase of a used limo, the buyer does need to follow special guidelines for registering and operating the vehicle. Each state has different rules about owning and legally driving a commercial vehicle, such as registration applications, restrictions and fees.
The basic act of purchasing a used limousine is the same as purchasing any used vehicle. The buyer needs to have the appropriate financing in place, such as an auto loan or available funds, and locate her desired limo. After completing the purchase, she needs to contact her local Department of Motor Vehicles to find out the requirements for registering a commercial vehicle, which can include providing proof of the appropriate business license or special insurance.