Do I have 3 days to return a purchase or cancel a contract in Texas? This is also sometimes called the threeday right of rescission.This is the right to cancel a purchase, without penalty, within three business days. There is no law which allows three day period within which you can cancel a car contract. Under both Texas and federal law, there is a "3day cooling off period" that applies to certain contracts, but not to all contracts. A tenant has three days after signing a lease to cancel it without penalty sometimes called "buyer's remorse. Unfortunately, under Texas law there is no 3 day right to rescind on lease. In Texas, a signed contract is generally binding, and the dealership is obligated to honor the terms of the agreement. Within 3-5 days after the Effective Date of this thas can be an contract, Seller shall deliver the Notice to Buyer. If you have signed a contract and signed the title of your trade, you may not be able to back out.