. Identification re ention and reduction o state essness Good practice: Croatia’s accession to the 1961 Convention is followed by efforts to improve the regional situation of undocumented Roma Following its accession in 2011 to the 1961 Convention on the Reduction of Statelessness, Croatia demonstrated its commitment to resolving statelessness, not only on its own territory but also in the region. It hosted the Regional Conference on Provision of Civil Documentation and Registration in South-Eastern Europe, co-convened in Zagreb in October 2011 by UNHCR, the OSCE HCNM and the European Commission. The conference resulted in the joint Zagreb Declaration adopted by Bosnia and Herzegovina, Croatia, Kosovo, Montenegro, Serbia and the former Yugoslav Republic of Macedonia, which calls for improvements in the provision of civil documentation to Roma communities through both national and regional collaborative efforts. Since the Conference in October 2011, numerous developments at the regional and national level have contributed towards implementing many of the Declaration’s recommendations. These include legislative and administrative changes to facilitate registration and the acquisition of civil documentation, and increased bilateral co-operation. In 2012, the Croatian Government adopted its National Strategy for Roma Inclusion 2013-2020, which aims to regulate the status of all Roma with firm ties to Croatia by 2020. See UNHCR, Good Practices Paper – Action 9: Acceding to the UN Statelessness Convent ions, 2015, available at: http://www.refworld.org/docid/553f617f4.html, and Stephanie Woldenberg, Access to Civil Documentation and Registration in South-Eastern Europe: Progress and Remaining Challenges since the 2011 Zagreb Declaration, 2013, available at: http://www.refworld.org/docid/5280c5ab4.html Avoiding statelessness in cases of State succession The emergence of new States and transfers of territory between existing States have led to mass statelessness on numerous occasions. According to 63