Става дума за срок/период, през който купувачът може да върне закупена стока, дори тя да не е дефектна. Не става дума за рекламация. По нашия закон такъв срок няма :)

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Note added at 2 hrs (2014-02-26 23:28:29 GMT)
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In consumer rights legislation and practice, a cooling-off period is a period of time following a purchase when the purchaser may choose to cancel a purchase, and return goods which have been supplied, for any reason, and obtain a full refund.[1]

Many retailers will voluntarily allow a purchaser a cooling-off period, which encourages reduced-risk impulse purchases.

In addition, legislation exists in various parts of the world enforcing this right, to varying degrees. For example, in the European Union, the Consumer Rights Directive of 2011 obliges member states to give purchasers the right to return goods or cancel services purchased away from the seller's normal premises, such as online, mail order, or door-to-door, with limited exceptions, within two weeks[2] from the receipt of the goods, for a full refund.[3]

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Note added at 2 hrs (2014-02-26 23:29:14 GMT)
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http://en.wikipedia.org/wiki/Cooling-off_period_(consumer_ri...

(преди първоначално публично предлагане на акции на фондовата борса)