Enforcement Rules of Consumer Protection Act Article 18
Before receiving the goods or accepting the services, consumers shall be entitled to rescind the contract by giving written notification to the trader pursuant to Paragraph 1, Article 19 of the Act as well.
中文原文 消費者保護法施行細則第18條
消費者於收受商品或接受服務前，亦得依本法第十九條第一項規定，以書面通知企業經營者解除契約。