You can cancel some, but not very many, contracts within three days. There is no law which allows three day period within which you can cancel a car contract.This pamphlet provides general information about being a tenant in Illinois. You should consult with an attorney or your municipality or county. Learn when and how tenants may legally break a lease in Illinois and how to limit liability for rent through the end of the lease term. The occupation tax is imposed on automobile rental businesses based on their charges for automobile rentals in Illinois for periods of one year or less. In some states, perhaps yes. Once signed, the involved parties are considered legally bound to the contract terms, but you may still have 3 to 5 days to back out of a contract. I'm a Real Estate agent and landlord in Illinois. You need pay only the amount of rent the landlord loses because you moved out early.