A family court must investigate facts by its own authority and must examine evidence as it finds necessary upon petition or by its own authority.
家庭裁判所は、職権で事実の調査をし、かつ、申立てにより又は職権で、必要と認める証拠調べをしなければならない。
A party is to cooperate in the investigation of facts and examination of evidence in order to achieve appropriate and swift proceedings and adjudication.
当事者は、適切かつ迅速な審理及び審判の実現のため、事実の調査及び証拠調べに協力するものとする。
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