13. Article 2 of the Immigration (Places of Detention) Direction 1994 is amended by substituting for the words from ““Control zone”” to “1993” the words ““control zone” includes a control zone within the meaning of the Channel Tunnel (International Arrangements) Order 1993 and a control zone within the meaning of the Channel Tunnel (Miscellaneous Provisions) Order 1994; “tunnel system” has the same meaning as in those Orders”.