When it is necessary to have an expert witness examine the mental or physical condition of the defendant, the court may detain the defendant at a hospital or any other appropriate place, and determine a time period for the detaining.
被告人の心神又は身体に関する鑑定をさせるについて必要があるときは、裁判所は、期間を定め、病院その他の相当な場所に被告人を留置することができる。
The detention in the preceding paragraph must not be executed without a detention warrant for expert examination.
前項の留置は、鑑定留置状を発してこれをしなければならない。
Moves to paragraph (4) by (Act No. 39 of 2025)
When it is necessary for the detention prescribed in paragraph (1) of this Article, the court may, upon a proposal from the custodian of the hospital or other place accommodating the defendant or ex officio, order a judicial police official to guard the defendant.
Moves to paragraph (5) by (Act No. 39 of 2025)
The court may, when it is necessary, extend or shorten a period of detention.
裁判所は、必要があるときは、留置の期間を延長し又は短縮することができる。
Changes and moves to paragraph (6) by (Act No. 39 of 2025)
The provisions pertaining to detention apply mutatis mutandis to the detention for expert examination prescribed in paragraph (1) of this Article except as otherwise provided in this Code; provided however, that the provisions pertaining to bail do not apply.
勾留に関する規定は、この法律に特別の定のある場合を除いては、第一項の留置についてこれを準用する。但し、保釈に関する規定は、この限りでない。
Moves to paragraph (7) by (Act No. 39 of 2025)
The detention prescribed in paragraph (1) of this Article is deemed as detention with regard to the inclusion of the number of pre-sentencing detention days.
第一項の留置は、未決勾留日数の算入については、これを勾留とみなす。
judicial police officialmachine translation
「司法警察職員」
Judicial police officers (司法警察員) and judicial police constables (司法巡査) together.
Defined inArticle 39, paragraph (3)