"It remains unclear from disclosure under which power the defendant detained the claimant. The IS 91R refers to theImmigration Act 1971 ..... " (although theNationality Immigration and Asylum Act 2002 and the bundle reference is given) - "
"The defendant is required but is unable to establish that the detention of the claimant pursuant to .... in Schedule 2paragraph 16 of the Immigration Act 1971 lawful authorisation for the detention is a condition precedent for the lawful exercise of the power to detain. The IS 91 authorisation for detention was not completed in this case as required by law under the policy as stated in chapter 55.6.2 of the defendant's Enforcement Instruction Guidance."