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Offender Info & Sentence Computation
The Offender Information and Sentence Computation (OISC) unit is responsible for the development and maintenance of offender records and the sentence calculation for approximately 13,000 inmates incarcerated under the authority of the Oregon Department of Corrections (DOC) at all of the state operated institutions. The staff of OISC maintains the data responsible for determining each inmate’s release date. This information can be descriptive data, legal documents and program information. Information is obtained from many sources including the Board of Parole and Post-Prison Supervision, the Oregon Department of Justice, Attorney General’s Office, and federal, state, and county law enforcement agencies. OISC interprets judgments; computes inmate sentences and discharge dates; adjusts time requirements necessitated by inmate programming and disciplinary actions; responds to detainer and notification requests; processes and tracks Interstate Agreement Detainers; and processes extraditions.
 
The staff at OISC provides testimony in court; prepares and distributes information within the department, to the Board of Parole and Post-Prison Supervision, the Oregon State Police; the public and inmates. They perform a variety of functions associated with the movement of inmates through the corrections system and maintain offender sentencing and information data. Included in this data is file material for all former and current inmates and all felony offenders supervised locally by state and county Community Corrections offices. This unit also receives and processes formal and informal requests for inmate and offender information from government agencies, the courts, and the general public.