The personal effects kept by the detainee prescribed in Article 55-29, paragraph (1) of the Act (hereinafter referred to as "personal effects kept by the detainee" in this Article and the following Article) are to be stored by the detainee in a valuables locker, shelf, container or other storage equipment, inside or outside the room, designated by the director of an immigration detention center, etc.
法第五十五条の二十九第一項に規定する保管私物（以下この条及び次条において「保管私物」という。）は、入国者収容所長等が指定する居室内又は居室外の貴重品庫、棚、容器その他の保管設備に保管させるものとする。
When the detainee is made to store personal effects kept by the detainee in storage equipment outside the room, the detainee must be given an opportunity to put personal effects kept by the detainee into and take them out of that equipment at least once a day; provided, however, that this does not apply if there is a risk of hindrance to the maintenance of discipline and order at the immigration detention centers, etc. or otherwise to their administration and operation.
保管私物を居室外の保管設備に保管させるときは、被収容者に、一日に一回以上、その設備に保管私物を出し入れする機会を与えなければならない。ただし、入国者収容所等の規律及び秩序の維持その他管理運営上支障が生ずるおそれがある場合は、この限りでない。
A detainee may be given an opportunity to put in and take out goods held in custody for the detainee on days other than the following days; provided, however, that this does not apply if there is a risk of hindrance to the maintenance of discipline and order at the immigration detention centers, etc. or otherwise to their administration and operation:
被収容者について領置している物品は、次に掲げる日以外の日に出し入れする機会を与えることができる。ただし、入国者収容所等の規律及び秩序の維持その他管理運営上支障が生ずるおそれがある場合は、この限りでない。
Sundays;
日曜日
Saturdays, the holidays prescribed in the Act on National Holidays (Act No. 178 of 1948), January 2, January 3, and the days from December 29 to December 31.
土曜日、国民の祝日に関する法律（昭和二十三年法律第百七十八号）に規定する休日、一月二日、一月三日及び十二月二十九日から十二月三十一日までの日
Read this with the articles around it