In 1950, at the behest of ECOSOC, that item was given priority, and ECOSOC appointed an ad hoc Committee on Refugees and Stateless People to draft a convention. A treaty on refugees was prepared with a draft protocol addressing the status of stateless persons. The Convention Relating to the Status of Refugees was adopted on July 28, 1951. As of January 2005, it had attracted the signatures of 145 state parties. The International Law Commission, at its fifth session in 1953, produced both a Draft Convention on the Elimination of Future Statelessness and a Draft Convention on the Reduction of Future Statelessness. ECOSOC approved both drafts. In 1954, the UN adopted the Convention relating to the Status of Stateless Persons. This convention provided a definition of a stateless person (which has since become part of customary international law, according to the International Law Commission) and set out a number of rights that stateless persons should enjoy. The convention thus became the basis for an international protection regime for stateless persons. However, to ensure that the rights enumerated in the convention are protected, states need to be able to identify stateless individuals. Seven years later, in 1961—only one year after the 1954 convention entered into force—the UN adopted the Convention on the Reduction of Statelessness. In 2014, following a series of expert meetings, UNHCR issued a Handbook on Protection of Stateless Persons. Stateless refugees covered by the 1951 convention should be treated in accordance with international refugee laws. As of September 1, 2015, 86 states were party to the 1954 convention, up from 65 when UNHCR launched its conventions campaign in 2011. Statelessness since 1961 On December 13, 1975, the 1961 Convention on the Reduction of Statelessness entered into force. It provides a number of standards regarding acquisition and loss of nationality, including automatic loss, renunciation, and deprivation of nationality. In 1974, the UN General Assembly (UNGA) requested that UNHCR undertake the functions established by the Convention on the Reduction of Statelessness. While the convention had only 37 state parties on January 1, 2011, 33 states pledged to accede to it at a ministerial event organized by UNHCR in December 2011. As of September 1, 2015, the number of state parties had increased to 64. Starting in 1994, the UNHCR Executive Committee (ExCom) and the UNGA asked UNHCR to broaden its activities concerning statelessness to include all states. In 1996, UNHCR