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Factual Investigation for Individuals Granted Parole or Good-Time Allowance

22 June 2025

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Investigation

Factual Investigation for Individuals Granted Parole or Good-Time Allowance

Definition

Parole refers to the release of a convicted inmate from prison before their full sentence has been served, under specific probation conditions. This measure aims to rehabilitate offenders by involving society in preparing them to live harmoniously with others, engage in honest occupations, and behave as good citizens after their release. This benefit is typically granted to convicted inmates who have demonstrated good conduct and discipline during their imprisonment. They become eligible after serving no less than one-third of their court-mandated sentence, or no less than 10 years in cases of life imprisonment. The period during which they must comply with these conditions must be no less than one year but not exceeding the remainder of their sentence.


Good-Time Allowance refers to the benefit of reducing the incarceration period for convicted inmates who exhibit good behavior while imprisoned. This can be granted only after the inmate has served at least six months of their final sentence, or no less than ten years in cases of life imprisonment that have been commuted to a fixed term. Only inmates classified as "Good" or higher are eligible for Good-Time Allowance. Furthermore, inmates with less than two years remaining on their sentence, who are classified as "Average" or higher, may receive additional reductions in their sentence for performing work outside the prison or correctional facility (public work), commensurate with the number of days worked. Inmates whose accumulated Good-Time Allowance equals their remaining sentence will be considered for release from prison before their full term, under probation conditions.

Objectives

The release of individuals granted parole and Good-Time Allowance under probation is a post-judgment rehabilitation measure for offenders within the community. Both groups of offenders are convicted inmates who have served a period in prison or a correctional facility and have demonstrated good behavior, meeting the criteria set by the Department of Corrections for early release into society under probation conditions. This process of rehabilitating offenders outside incarceration addresses their specific problems and needs, aims to prevent re-offending, and enables them to live independently in society, becoming productive members of the nation and smaller community units, just like any law-abiding citizen.

Criteria for Considering Parole and Good-Time Allowance

Parole

  1. Circumstances during incarceration: 1.1. Diligence 1.2. Educational progress 1.3. Work performance or exceptional service to the state 1.4. Conduct during incarceration
  2. Behavior before incarceration: 2.1. Family history 2.2. Occupation 2.3. Facts of the offense (causes and impacts)
  3. Support and Residency: Consideration is given to the reliability, suitability, status, occupation, and living environment of the sponsor and residence.

Inmates may be granted parole for the following periods:

  • Excellent Class : Not exceeding 1/3 of the sentence specified in the final judgment order.
  • Very Good Class : Not exceeding 1/4 of the sentence specified in the final judgment order.
  • Good Class : Not exceeding 1/5 of the sentence specified in the final judgment order.

Good-Time Allowance

  1. Convicted inmates may receive a Good-Time Allowance of no more than 5 days per month. However, this can only be granted when the inmate has served at least 6 months of their final sentence, or at least 10 years in cases of life imprisonment commuted to a fixed term.
  2. The inmate must have served at least 6 months of their sentence, calculated from the date of imprisonment until the eligibility date (i.e., 180 days served), and be classified as "Good" or higher. This includes any pre-trial detention time.
  3. For inmates serving a life sentence that has been commuted to a fixed term, they must have served at least 10 years before becoming eligible for Good-Time Allowance based on their classification.

Convicted inmates may receive Good-Time Allowance based on their classification and number of days as follows:

When the court deems it appropriate to order a pre-sentence investigation and evaluation in a case, it will issue an order for the investigation and evaluation in the procedural record. Following that, an order will be issued to the probation officer to conduct the pre-sentence investigation and evaluation, using Form K.P.1.

  • Excellent Class (ชั้นเยี่ยม): 5 days per month
  • Very Good Class (ชั้นดีมาก): 4 days per month
  • Good Class (ชั้นดี): 3 days per month

Request for Factual Investigation of Individuals Granted Parole and Good-Time Allowance

Once a prison or correctional facility has identified inmates eligible for parole or Good-Time Allowance, the prison/correctional facility will send a letter requesting a factual investigation of the inmate to the Director of the Probation Office.

Timeframe for Factual Investigation of Individuals Granted Parole and Good-Time Allowance

The Probation Office must submit the factual investigation report on the inmate to the prison or correctional facility within one month, and no later than two months, from the date the Probation Office receives the request.