Statute of Open Prisons Article 15

If an inmate has inferior working performance, is incompliant with the discipline, or is degraded, and remains in the open prison, the sentence shall not be mitigated for the current month based on the seriousness of the condition. With regard to those who are transferred to another prison, the mitigated terms of imprisonment shall be entirely recovered.The inmate shall be informed of the punishment referred to in the preceding paragraph after the punishment is decided under the resolution of a prison committee's meeting. The said punishment shall also be reported to the Ministry of Justice for review.