Chapter 4 Institutional Correction of Adult Offenders

Penal Institutions consist of prisons, juvenile prisons, and detention houses. Prisons and Juvenile Prisons are mainly for holding sentenced inmates while Detention Houses are mainly for inmates awaiting a court's sentence. As of April 1, 2021, there were 75 main penal institutions (61 prisons including four rehabilitation program centers, six juvenile prisons, and eight detention houses) and 105 branch penal institutions (eight branch prisons and 97 branch detention houses).

Workhouses for fine defaulters are attached to all penal institutions and court-ordered confinement houses are attached to most penal institutions.