If a seller or a service provider engages in mail order sales in which the seller or the service provider receives charges for goods or rights or the consideration for services in whole or in part prior to the delivery of goods, the transfer of rights, or providing services from a person who has offered a sales contract for goods or specified rights or who has offered a service contract for services, and the seller or the service provider receives an offer to enter into a sales contract for goods or rights or a service contract for services by postal mail or a similar means and receives the charges for the goods or rights or consideration for the services in whole or in part, the seller or the service provider must notify the person who made the offer in writing of the acceptance or non-acceptance of the offer (if the seller or the service provider notified the person who made the offer of the acceptance or non-acceptance of the offer before receiving those charges or that consideration, the seller or the service provider must send the person a notice to that effect) and of any other information specified by order of the competent ministry without delay, pursuant to the provisions of order of the competent ministry; provided, however, that this does not apply if the seller or the service provider has sent the goods, transferred the rights, or provided the services without delay after receiving the charges for the goods or rights or the consideration for the services in whole or in part.
販売業者又は役務提供事業者は、商品若しくは特定権利又は役務につき売買契約又は役務提供契約の申込みをした者から当該商品の引渡し若しくは当該権利の移転又は当該役務の提供に先立つて当該商品若しくは当該権利の代金又は当該役務の対価の全部又は一部を受領することとする通信販売をする場合において、郵便等により当該商品若しくは当該権利又は当該役務につき売買契約又は役務提供契約の申込みを受け、かつ、当該商品若しくは当該権利の代金又は当該役務の対価の全部又は一部を受領したときは、遅滞なく、主務省令で定めるところにより、その申込みを承諾する旨又は承諾しない旨（その受領前にその申込みを承諾する旨又は承諾しない旨をその申込みをした者に通知している場合には、その旨）その他の主務省令で定める事項をその者に書面により通知しなければならない。ただし、当該商品若しくは当該権利の代金又は当該役務の対価の全部又は一部を受領した後遅滞なく当該商品を送付し、若しくは当該権利を移転し、又は当該役務を提供したときは、この限りでない。
In place of the notification in writing under the provisions of the preceding paragraph, a seller or a service provider may provide the information that should be described in the documents by an electronic or magnetic means, after gaining the consent of the person who made the offer, pursuant to Cabinet Order. In this case, the seller or the service provider is deemed to have made the notification in writing.