▁that ▁in ▁their ▁opinion ▁inc ites ▁or ▁gl or ifies ▁terror ist ▁acts ▁under ▁Section ▁ 3 ▁of ▁the ▁T error ism ▁Act ▁ 2 0 0 6 . ▁This ▁list ▁is ▁passed ▁to ▁the ▁public ▁estate ▁institutions ▁so ▁that ▁access ▁to ▁the ▁sites ▁can ▁be ▁blocked . ▁I SP s ▁B T , ▁Sky , ▁T alk T alk ▁and ▁Virgin ▁Media ▁incorpor ate ▁the ▁CT IR U ▁block ▁list ▁into ▁their ▁filters . ▁The ▁CT IR U ▁also ▁issues ▁removal ▁requests ▁if ▁the ▁Internet ▁content ▁is ▁hosted ▁in ▁the ▁UK . ▁The ▁UK ▁is ▁the ▁only ▁country ▁in ▁the ▁world ▁with ▁such ▁a ▁unit . Home ▁Office ▁propos als ▁in ▁ 2 0 0 6 ▁requiring ▁I SP s ▁to ▁block ▁access ▁to ▁articles ▁" gl or ifying ▁terror ism " ▁were ▁rejected ▁and ▁the ▁government ▁opt ed ▁for ▁a ▁tak ed own ▁approach ▁at ▁that ▁time . ▁However , ▁in ▁December ▁ 2 0 1 3 ▁the ▁Prime ▁Minister ' s ▁extrem ism ▁task ▁force ▁proposed ▁that ▁where ▁such ▁material ▁is ▁hosted ▁over se as , ▁I SP s ▁should ▁block ▁the ▁websites , ▁and ▁David ▁Camer on ▁gave ▁orders ▁that ▁the ▁CT IR U ▁list ▁be ▁extended ▁to ▁UK ▁I SP s . ▁The ▁UK ▁government ▁has ▁defined ▁extrem ism ▁as : ▁" V ocal ▁or ▁active ▁opposition ▁to ▁fundamental ▁British ▁values , ▁including ▁dem ocracy , ▁the ▁rule ▁of ▁law , ▁individual ▁liberty ▁and ▁mut ual ▁respect ▁and ▁toler ance ▁of ▁different ▁faith s ▁and ▁belief s ."