When the consignee fails to declare the import goods within the time limit, a fee ______ delayed declaration shall be imposed by the Customs.

单项选择题Declaration documents, import and export documents, contracts and other data directly related to import and export transactions shall be retained for ______ effective from the date of release of import and export goods.

单项选择题The seller should guarantee that the commodities comply ______ the quality, specification and performance as stipulated in the contract.