Prisoners and families
Abscond: Escape from an open prison
ACR: Automatic Conditional Release system by which prisoners serving 1 year or more but less than 4 years for offences committed before 4 April 2005, are released
Adjudication: Internal prison disciplinary hearing
AUR: Automatic Unconditional Release system by which prisoners serving less than 1 year are released
CAT/Category: The security classification of a prisoner, ranging from Cat A (the highest category for the most dangerous), to Cat D open prison conditions
CRD: Conditional Release Date the date on which a prisoner serving 12 months or more but less than 4 years is released on licence under supervision
DCR: Discretionary conditional release system by which prisoners serving 4 years or more may be released on parole
Dispersal: Method of dispersing Cat A prisoners around the prison system
Dispersal prison: Top security prison housing Cat A prisoners
EPP: Extended sentence for Public Protection
ERCG: Early Release on Compassionate Grounds
ESP: Extended Sentence Panel
HDC: Home Detention Curfew (electronic tagging)
HMCIP: Her Majesty's Chief Inspectorate of Prisons
HMP: Her Majesty's Pleasure
HPO: Home Probation Officer (now know as Offender Manager)
IMB: Independent Monitoring Board
IPP: Indeterminate sentence of Imprisonment for Public Protection
JR: Judicial review
Knock back: Parole Board refusal to award early release
LED: Licence Expiry Date
MDT: Mandatory Drug Test
NOMS: National Offender Management Service
NPD: Non-Parole Date
NPS: National Probation Service
OASys: Offender Assessment System
OM: Offender Manager (formerly known as Home Probation Officer)
OS: Offender Supervisor (formerly known as Prison Probation Officer or Seconded Probation Officer)
PAR: Parole Assessment Report
PED: Parole Eligibility Date
PNC: Police National Computer
PPCS: Public Protection Casework Section
PPO: Prison Probation Officer (now known as Offender Supervisor)
Pre-con: Previous conviction
PRRD: Post Recall Release Date
PSI: Prison Service Instruction
PSO: Prison Service Order
PSR: Pre-Sentence Report
Reps: Either prisoners representatives or representations
ROR: Risk Of Conviction
ROTL: Release On Temporary Licence from an open prison
SCH: Secure Children's Home
STC: Secure Training Centre
SED: Sentence Expiry Date
SIR: Security Information Report
SofS: Secretary of State (Justice Secretary)
SPO: Seconded Probation Officer (now know as Offender Supervisor)
Tx: Transfer
UAL: Unlawfully At Large
VDT: Voluntary Drug Test
YJB: Youth Justice Board
YOI: Young Offender Institution
YOT: Youth Offending Team