- 39 (c) The State party continue to monitor the effects of solitary confinement on detainees and the effects of the new bill, which has reduced the number of grounds that can give rise to solitary confinement and its length; (d) The law governing solitary confinement for convicted prisoners should establish adequate review mechanisms relating to its determination and duration; (e) The State party ensure that the proposed amendment to the Aliens Act does not frustrate effective recourse by aliens to the Committee as provided in article 22 of the Convention; (f) The State party widely disseminate the Committee’s conclusions and recommendations, in all appropriate languages, in the country. Luxembourg 75. The Committee considered the combined third and fourth periodic reports of Luxembourg (CAT/C/34/Add.14) at its 514th, 517th and 525th meetings, held on 7, 8 and 15 May 2002 (CAT/C/SR.514, 517 and 525), and adopted the following conclusions and recommendations. A. Introduction 76. The Committee welcomes the third and fourth periodic reports of Luxembourg, which were combined in a single document following the Committee’s recommendation. The report was submitted on time and is in full conformity with the guidelines of the Committee for the preparation of State party periodic reports. The Committee compliments the State party for the excellent quality of its report and welcomes the fruitful and constructive dialogue with the high-level delegation of the State party during its consideration. B. Positive aspects 77. The Committee commends the State party for maintaining a high level of respect for human rights in general and for its obligations under the Convention in particular. 78. The Committee notes the following positive developments: (a) That all matters of concern as well as previous recommendations of the Committee have been positively addressed in detail; (b) That by the Act of 24 April 2000 torture has been incorporated into the Penal Code as a specific crime and an aggravating circumstance of a crime or offence against the person. Furthermore, the definition of torture is broadly based on the definition contained in article 1 of the Convention, and relates both to physical and psychological torture; (c) The establishment of the Advisory Commission on Human Rights on 26 May 2000;