ETS 163 – European Social Charter (Revised), 03.V.1996 __________________________________________________________________________________ a equal treatment with their own nationals of the nationals of other Parties in respect of social security rights, including the retention of benefits arising out of social security legislation, whatever movements the persons protected may undertake between the territories of the Parties; b the granting, maintenance and resumption of social security rights by such means as the accumulation of insurance or employment periods completed under the legislation of each of the Parties. Article 13 – The right to social and medical assistance With a view to ensuring the effective exercise of the right to social and medical assistance, the Parties undertake: 1 to ensure that any person who is without adequate resources and who is unable to secure such resources either by his own efforts or from other sources, in particular by benefits under a social security scheme, be granted adequate assistance, and, in case of sickness, the care necessitated by his condition; 2 to ensure that persons receiving such assistance shall not, for that reason, suffer from a diminution of their political or social rights; 3 to provide that everyone may receive by appropriate public or private services such advice and personal help as may be required to prevent, to remove, or to alleviate personal or family want; 4 to apply the provisions referred to in paragraphs 1, 2 and 3 of this article on an equal footing with their nationals to nationals of other Parties lawfully within their territories, in accordance with their obligations under the European Convention on Social and Medical Assistance, signed at Paris on 11 December 1953. Article 14 – The right to benefit from social welfare services With a view to ensuring the effective exercise of the right to benefit from social welfare services, the Parties undertake: 1 to promote or provide services which, by using methods of social work, would contribute to the welfare and development of both individuals and groups in the community, and to their adjustment to the social environment; 2 to encourage the participation of individuals and voluntary or other organisations in the establishment and maintenance of such services. Article 15 – The right of persons with disabilities to independence, social integration and participation in the life of the community With a view to ensuring to persons with disabilities, irrespective of age and the nature and origin of their disabilities, the effective exercise of the right to independence, social integration and participation in the life of the community, the Parties undertake, in particular: 1 to take the necessary measures to provide persons with disabilities with guidance, education and vocational training in the framework of general schemes wherever possible or, where this is not possible, through specialised bodies, public or private; 8