The Immigration (Suspension of Detainee Custody Officer Certificate) Regulations 2001
Paragraph 7 of Schedule 11 to the Immigration and Asylum Act 1999 provides that if it appears to the escort monitor or (as the case may be) contract monitor that a detainee 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 or may, in prescribed circumstances, suspend the officer’s certificate pending the Secretary of State’s decision as to whether to revoke it.