The Criminal Justice Act 1991 (Suspension of Prisoner Custody Officer Certificate) Regulations 1992
Paragraph 3 of Schedule 10 to the Criminal Justice Act 1991 provides that if it appears to a prisoner escort monitor or (as the case may be) controller that a prisoner custody officer is not a fit and proper person to perform escort duties or (as the case may be) custodial duties he may refer the matter to the Secretary of State to decide whether to revoke that officer’s certificate and may, in prescribed circumstances, suspend the officer’s certificate pending the Secretary of State’s decision.