4 | PROTECTING STATELESS PERSONS FROM ARBITRARY DETENTION IN BULGARIA LIST OF ABBREVIATIONS 1954 Convention 1954 Convention relating to the Status of Stateless Persons 1961 Convention 1961 Convention on the Reduction of Statelessness CJEU Court of Justice of the European Union CPD Bulgarian Commission for Protection against Discrimination CPT European Committee for the Prevention of Torture and Inhuman or Degrading Treatment or Punishment ECHR European Convention on Human Rights ECN European Convention on Nationality ECtHR European Court of Human Rights ENS European Network on Statelessness EU European Union FAR Foundation for Access to Rights ICCPR International Covenant on Civil and Political Rights LFRB Law on Foreign Nationals in the Republic of Bulgaria NCTHB National Commission on Combatting Trafficking in Human Beings OP-CAT Optional Protocol to the Convention Against Torture, Cruel, Inhuman or Degrading Treatment or Punishment SAC Supreme Administrative Court SANS State Agency National Security SAR State Agency for Refugees SCAC Sofia City Administrative Court SCTAF Special Centre for Temporary Accommodation of Foreigners the Institute Institute on Statelessness and Inclusion UNHCR United Nations High Commissioner for Refugees