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regard to the principles laid down in the resolution on refugees and displaced persons adopted by the General Assembly of the United Nations on 12 February 1946 (Annex III) and to the principles set forth in the Preamble, and to promoting this by all possible means, in particular by providing them with material assistance, adequate food for a period of three months from the time of their departure from their present places of residence provided they are returning to a country suffering as a result of enemy occupation during the war, and provided such food shall be distributed under the auspices of the Organization; and the necessary clothing and means of transportation ; and (b) With respect to persons for whom repatriation does not take place under paragraph 1 (a) of this article to facilitating : (i) Their re-establishment in countries of temporary residence ; (ii) The emigration to, resettlement and re-establishment in other countries of individuals or family units; and (iii) As may be necessary and practicable, within available resources and subject to the relevant financial regulations, the investigation, promotion or execution of projects of group resettlement or large-scale resettlement. (c) With respect to Spanish Republicans to assisting them to establish themselves temporarily until the time when a democratic regime in Spain is established. 2. For the purpose of carrying out its functions, the Organization may engage in all appropriate activities, and to this end, shall have power: (a) To receive and disburse private and public funds; (b) As necessary to acquire land and buildings by lease, gift, or in exceptional circumstances only, by purchase ; and to hold such land and buildings or to dispose of them by lease, sale or otherwise; (c) To acquire, hold and convey other necessary property; (d) To enter into contracts, and undertake obligations; including contracts with Governments or with occupation or control authorities, whereby such authorities would continue, or undertake, in part or in whole, the care and maintenance of refugees and displaced persons in territories under their authority, under the supervision of the Organization ; (e) To conduct negotiations and conclude agreements with Governments ; (/) To consult and co-operate with public and private organizations whenever it is deemed advisable, in so far as such organizations share the purpose of the Organization and observe the principles of the United Nations ;