A/HRC/4/40 page 3 CONTENTS Paragraphs Introduction .............................................................................................. Page 1-3 4 I. FIFTEEN YEARS OF WORKING GROUP ACTIVITIES ...... 4-7 4 II. ACTIVITIES OF THE WORKING GROUP IN 2006 .............. 8 - 29 6 Handling of communications addressed to the Working Group during 2006 .............................................. 8 - 21 6 Country missions ................................................................ 22 - 29 14 LEGAL OPINION ON PREVENTING ARBITRARY DETENTION IN THE CONTEXT OF INTERNATIONAL TRANSFER OF DETAINEES, PARTICULARLY IN COUNTERING TERRORISM .................................................. 30 - 58 16 A. Introduction ........................................................................ 30 - 31 16 B. Cases illustrating the Working Group’s concerns .............. 32 - 39 17 C. Preference for criminal justice and extradition proceedings ......................................................................... 40 - 43 19 D. Non-refoulement ................................................................. 44 - 49 20 E. Renditions ........................................................................... 50 - 51 22 F. Diplomatic assurances with regard to detention and fair trial ........................................................................ 52 - 56 22 “Reverse diplomatic assurances” ........................................ 57 - 58 23 OVERVIEW OF THE PENITENTIARY SYSTEMS AND THE CONDITIONS OF DETAINEES ...................................... 59 - 72 24 V. CONCLUSIONS ........................................................................ 73 - 76 26 VI. RECOMMENDATIONS ........................................................... 77 - 80 27 A. B. III. G. IV.