Discipline and order at immigration detention centers, etc. must be properly maintained.
入国者収容所等の規律及び秩序は、適正に維持されなければならない。
Measures taken to achieve the purpose set forth in the preceding paragraph must not exceed the limit necessary to ensure the detention of detainees and to maintain an appropriate environment for their treatment and their safe and peaceful communal life.
Read this with the articles around it
immigration detention center, etc.machine translation
「入国者収容所等」
An immigration detention center, or a detention facility set up at a regional immigration services bureau under Article 55-3(1).
Defined inArticle 2, paragraph (1), item (xvi)· applies throughout the law
detaineemachine translation
「被収容者」
A person held in an immigration detention center or other immigration detention facility.
Defined inArticle 55-4, paragraph (1)· applies only in this chapter and in Article 71-6