Detention houses are established in regional immigration services bureaus.
地方出入国在留管理局に、収容場を設ける。
Immigration detention centers, etc. are facilities that detain the following persons and provide those persons with necessary treatment:
入国者収容所等は、次に掲げる者を収容し、これらの者に対し必要な処遇を行う施設とする。
persons subject to enforcement of written detention orders; and
収容令書の執行を受ける者
persons who have been issued a deportation order and are detained pursuant to the provisions of Article 52, paragraph (9), or Article 52-4, paragraph (5) or (6), or pursuant to the provisions of Article 55, paragraph (3) or (4) (including as applied mutatis mutandis pursuant to paragraph (5) of that Article).
定義第二条第一項第十六号・法令全体に適用
入国者収容所又は第五十五条の三第一項の規定により設けられる収容場
わかりやすく言うと
入国者収容所と、地方出入国在留管理局に設けられる収容場をまとめた呼び方です。