declare goods

基本解释

Import goods declared to be abandoned by the importer or the owner shall be taken over and sold off by the Customs according to law.
收货人或者货物所有人声明放弃的进口货物，由海关提取依法变卖处理；
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The validity period of the license certificate of export and import goods declared in advance shall be counted according to the date of the customs acceptance of the declaration.
验核提前申报的进出口货物许可证件有效期以海关接受申报之日为准。
rondeng.blog.163.com
Import goods declared to be abandoned by the consignee or the owner shall be taken over and sold off by the Customs in accordance with law.
收货人或者货物所有人声明放弃的进口货物，由海关提取依法变卖处理；

As it stands, the law is virtually unenforceable, because the only way to prove an offence has been committed is to catch someone selling imported goods they have declared as being for personal use.
ECONOMIST: Smuggling