In the following cases, the person in possession of the document in question may not refuse to submit that document:
次に掲げる場合には、文書の所持者は、その提出を拒むことができない。
if a party is personally in possession of a document that they have quoted from in litigation;
当事者が訴訟において引用した文書を自ら所持するとき。
if it is permissible for the party that will offer the evidence to request the person in possession of the document to deliver it or allow it to be inspected;
挙証者が文書の所持者に対しその引渡し又は閲覧を求めることができるとき。
if the document has been prepared in the interest of the party that will offer the evidence or with regard to the legal relationships between the party that will offer the evidence and the person in possession of the document;
文書が挙証者の利益のために作成され、又は挙証者と文書の所持者との間の法律関係について作成されたとき。
in cases other than those listed in the preceding three items, if the document does not fall under any of the following categories:
前三号に掲げる場合のほか、文書が次に掲げるもののいずれにも該当しないとき。
a document detailing the particulars prescribed in Article 196 with regard to the person in possession of the document or a person who is related to the person in possession of the document in any of the ways stated in the items of that Article;
a document concerning confidential information in connection with a public officer's duties, which, if submitted, would be against the public interest or would be likely to substantially hinder the performance of a public duty;
公務員の職務上の秘密に関する文書でその提出により公共の利益を害し、又は公務の遂行に著しい支障を生ずるおそれがあるもの
a document detailing a fact prescribed in Article 197, paragraph (1), item (ii) or a particular prescribed in Article 197, paragraph (1), item (iii), neither or which are exempt from the duty of silence;
第百九十七条第一項第二号に規定する事実又は同項第三号に規定する事項で、黙秘の義務が免除されていないものが記載されている文書
a document prepared exclusively for the use of the person in possession (excluding a document held by the State or a local public entity, which is used by a public officer for an organizational purpose);
専ら文書の所持者の利用に供するための文書（国又は地方公共団体が所持する文書にあっては、公務員が組織的に用いるものを除く。）
documents related to the litigation of a criminal case, the case record in a juvenile protective case, or a document seized in these cases.
刑事事件に係る訴訟に関する書類若しくは少年の保護事件の記録又はこれらの事件において押収されている文書
Read this with the articles around it