Prison Service Orders (PSOs)
There are a number of rules, regulations and guidelines by which prisons are run. These are outlined in Prison Service Instructions (PSIs) and Prison Service Orders (PSOs).
These were issued until 31 July 2009. They were mandatory instructions with no expiry date, and remained in force until cancelled. Existing PSOs will remain in force until replaced.
PSO Numerical Index (PDF 0.14mb)
Subject Index (PDF 0.13mb)
Prison Service Orders are long-term mandatory instructions which are intended to last for an indefinite period. The following PSOs are currently in force.
1700 - segregation (Zip 3mb)4445 - civil partnerships