At its 46th plenary meeting, on 23 July 2003, the Economic and Social Council took note of Commission on Human Rights decision 2003/108 of 23 April 2003,54 and endorsed the Commission’s decision to approve the appointment of Ms. Leïla Zerrougui as Special Rapporteur to conduct a detailed study of discrimination in the criminal justice system, with a view to determining the most effective means of ensuring equal treatment in the criminal justice system for all persons without discrimination, in particular vulnerable persons, and to request the Special Rapporteur to submit a preliminary report to the Subcommission on the Promotion and Protection of Human Rights at its fifty-fifth session, a progress report at its fifty-sixth session and a final report at its fifty-seventh session.