| Rules on requirements accommodations penal institutions (Regeling eisen verblijfsruimte penitentiaire inrichtingen) | The national minimum standard for cell space is (with a margin of deviation of 10%) a floor area of 10 square meters, a width of 2 meters and a height of 2.5 meters. Each cell must have a mirror, a wardrobe, a writing desk, a chair, a notice board, a bed, and two wall sockets. |
| Penitentiary Principles Act (Penitentiaire beginselenwet) | It distinguishes between five types of penal institutions with increasing degrees of security: institutions with a very limited security, institutions with a limited security, institutions with a normal security, institutions with an extensive security, institutions with extra security. The national minimum standard for cell space of 10 square meters, a width of 2 meters and a height of 2.5 meters only applies for penal institutions with a normal security, institutions with an extensive security and institutions with extra security. |