also: クーリング・オフ
cooling-off period
A legal term referring to a period during which a buyer can cancel a contract without penalty, often used in door-to-door sales or mail order contexts.
I used the cooling-off system to cancel the contract.
Products bought through door-to-door sales may be eligible for cooling-off.
I used the cooling-off period to cancel the futon I bought from a door-to-door salesman.
I consulted the consumer center about the cooling-off system.
The cooling-off period is eight days from the date of the contract.
I cancelled the health equipment I bought by mail order using the cooling-off provision.