A Person in Charge of a Process Using an Individual Number (excluding a person who uses an information provision personal identification code pursuant to the provisions of Article 9, paragraph (3); the same applies in paragraph (2) of the following Article and Article 19, item (i)), in order to reduce the burden on the person themselves or their agent and on a Person in Charge of a Process Related to an Individual Number, optimize administrative operations, and also to avoid requesting repeatedly the submission of documents containing the same information for multiple Processes Related to an Individual Number, must endeavor to promote information sharing and to secure an appropriate use thereof in cooperation with others.
個人番号利用事務実施者（第九条第三項の規定により情報提供用個人識別符号を利用する者を除く。次条第二項及び第十九条第一号において同じ。）は、本人又はその代理人及び個人番号関係事務実施者の負担の軽減並びに行政運営の効率化を図るため、同一の内容の情報が記載された書面の提出を複数の個人番号関係事務において重ねて求めることのないよう、相互に連携して情報の共有及びその適切な活用を図るように努めなければならない。