新近由国家发布的有关文件，对部分商品实施三包时间上有如下规定。（1）“7日”规定。产品自售出之日起7日内发生性能故障，消费者可以选择退货、换货或修理。（2）“15日”规定。产品自售出之日起15日内发生性能故障，消费者可以选择退货、换货或修理。门）“三包有效期”规 Recently issued by the state, the relevant documents, the implementation of the three bags of certain goods on the following provisions. (1) The “7th” rule. Product performance failure occurs within 7 days from the date of sale, and consumers can choose to return, exchange or repair. (2) “15th” regulation. The product malfunctions within 15 days from the date of sale, and consumers can choose to return, exchange or repair. Door) “Three Guarantees Validity Period”