①Except in the following cases, a seller or a service provider must not advertise via email (meaning advertising by sending advertising text or any other data by an electronic or magnetic means in a way that causes it to be displayed on the screen of the computer used by the advertising target; the same applies hereinafter) with regard to the terms and conditions under which the seller or the service provider sells goods or specified rights or provides services through mail order sales, without the consent of the advertising target:

②A seller or a service provider that has obtained the consent prescribed in the preceding paragraph or that has received the request prescribed in item (i) of that paragraph must mot send email advertising mail order sales to an advertising target if the target of the email advertising mail order sales indicates an unwillingness to receive email advertising mail order sales; provided, however, that this does not apply if the seller or the service provider later receives another request from the advertising target or regains the consent of the advertising target to send email advertising mail order sales.

③Except in the case stated in paragraph (1), item (ii) or (iii), when sending email advertising mail order sales, a seller or a service provider must prepare what is specified by order of the competent ministry as a record of having obtained the consent of the advertising target or having received a request from the advertising target to send email advertising mail order sales, and must preserve the records pursuant to the provisions of order of the competent ministry.

④Except in the case stated in paragraph (1), item (ii) or (iii), in addition to the matters listed in the items of Article 11, pursuant to the provisions of order of the competent ministry, when sending email advertising mail order sales, a seller or a service provider must indicate in its email advertising mail order sales the information that order of the competent ministry specifies as information that an advertising target needs to have in order to indicate an unwillingness to receive email advertising mail order sales.

⑤If a seller or a service provider has comprehensively entrusted another person with all of the following business activities, the provisions of the preceding two paragraphs do not apply to any email advertising mail order sales subject to that entrustment:

①Except in the following cases, a person comprehensively entrusted with all of the business activities listed in the items of paragraph (5) of the preceding Article by a seller or a service provider (the person is hereinafter referred to as a "contractor sending email advertising mail order sales" in this Section, Article 66, paragraph (6) and Article 67, paragraph(1), item (iv)) must not send email advertising mail order sales with regard to the terms and conditions under which the seller or the service provider that entrusted the contractor with those business activities (hereinafter referred to as the "party entrusting a contractor with email advertising mail order sales" in this Section) sells goods or specified rights or provides services through mail order sales, without the consent of the advertising target:

②The provisions of paragraphs (2) through (4) of the preceding Article apply mutatis mutandis to email advertising the mail order sales of a party entrusting a contractor sending email advertising mail order sales which is sent by the contractor sending email advertising mail order sales. In this case, the phrase "paragraph (1), item (ii) or (iii)" in paragraphs (3) and (4) of the preceding Article is deemed to be replaced with "paragraph (1), item (ii) of the following Article".

①Except in the following cases, a seller or a service provider must not advertise via facsimile (meaning advertising by sending advertising text or any other information by using a facsimile machine; the same applies in item (i)) with regard to the terms and conditions under which the seller or the service provider sells goods or specified rights or provides services through mail order sales, without the consent of the advertising target:

②A seller or a service provider that has obtained the consent prescribed in the preceding paragraph or that has received a request prescribed in item (i) of that paragraph must not send facsimile advertisements for mail order sales to an advertising target if the target of the facsimile advertisements for mail order sales indicates an unwillingness to receive facsimile advertisements for mail order sales; provided, however, that this does not apply if the seller or the service provider later receives another request from the advertising target or regains the consent of the advertising target to send facsimile advertisements for mail order sales.

③Except in a case stated in paragraph (1), item (ii) or (iii), when sending facsimile advertisements for mail order sales, a seller or a service provider must prepare what is specified by order of the competent ministry as a record of having obtained the consent of the advertising target or having received a request from the advertising target to send facsimile advertisements for mail order sales, and must preserve those records pursuant to the provisions of order of the competent ministry.

④Except in a case stated in paragraph (1), item (ii) or (iii), when sending facsimile advertisements for mail order sales, pursuant to the provisions of order of the competent ministry, a seller or a service provider must indicate in its facsimile advertisements for mail order sales information that is specified by order of the competent ministry as the information that an advertising target needs to have in order to indicate an unwillingness to receive facsimile advertisements for mail order sales, beyond the matters listed in the items of Article 11.

①When a seller or a service provider receives an offer to enter into a sales contract or a service contract related to mail order sales made by customers in writing with a format specified by the seller or the service provider or a person entrusted by it or an offer to enter into a sales contract or a service contract related to mail order sales made by customers through a method where the seller or the service provider or a person entrusted by it uses an electronic data processing system or any other means that makes use of information and communications technology using procedures that display information on the screen of the computer used by the customers (hereinafter collectively referred to as a "specified offer"), the seller or the service provider must display the following matters on documents or a screen on which the processes are displayed related to the specified offer:

②A seller or a service provider must not display the following indications on documents related to specified offers or screens on which procedures are displayed:

①If 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.

②In 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.