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Singapore Prison Service (SPS)

Conditional Remission System (CRS) & Mandatory Aftercare Scheme (MAS)

Learn how the Community Remission System and Mandatory Aftercare Scheme support ex-offenders in their re-integration back into society and deter re-offending.

Last updated on 18 September 2026

Conditional Remission System

The Conditional Remission System (CRS) seeks to deter ex-offenders from re-offending by imposing conditions on them upon their release.

Under the System, all inmates will be issued with a Conditional Remission Order (CRO), which will be valid until the end of their sentences. This is known as the 'remission period'.

Most inmates will be released after they have served two-thirds of their sentence, if they had displayed good conduct in prisons.

During the remission period, persons released on a CRO are subject to the basic condition that they do not re-offend.

A breach of the basic condition occurs if, during the remission period, they commit an offence and are convicted and sentenced to any of the following:

  • A sentence of imprisonment (excluding a default sentence)

  • Reformative Training

  • Corrective Training

  • Preventive Detention

If the basic condition of the CRO is breached, an enhanced sentence may be imposed in addition to the sentence for the new offence.

No one-third remission applies to the enhanced sentence. The enhanced sentence cannot exceed the remaining duration of the CRO from the date of the new offence.

Mandatory Aftercare Scheme

Selected ex-offenders will have to undergo the Mandatory Aftercare Scheme (MAS) as during their conditional remission period.

The MAS aims to support ex-offenders in remaining crime-free and deter them from re-offending through a compulsory and structured aftercare regime that provides enhanced community support, counselling and case management.

Details of the Mandatory Aftercare Scheme for various offenders, covering who qualifies, how it works, and its three phases.

MAS comprises supervision and restrictions that may include a mandatory residential phase, curfew requirements and electronic monitoring.

Upon release, ex-offenders who are required to undergo MAS will be placed progressively through step-down aftercare support and supervision.

In 2019, Singapore Prison Service established Selarang Halfway House as its first Government-run facility to provide structured aftercare support for selected ex-offenders. It is a secular residential facility that provides the residential programme under the Halfway House phase of MAS.