8 3. States Parties shall take measures to reduce cases of statelessness and facilitate acquisition of citizenship for isolated or nomadic or semi-nomadic and seafaring minorities. These shall include measures such as: (i) mobile registration clinics and periodic registration campaigns specifically prepared and adopted for minority communities known to be lacking documentation of nationality such as nomadic and sea-faring minorities. (ii) determination of ‘habitual residence’ for the purposes of citizenship of a person belonging to a minority, including nomadic or sea-faring minority, using criteria based on links to a State’s territory (land or water) such as habitual centre of interests; frequent periods of residence; the historical or present-day use of wells and moorage points; the state concerned as the state of birth or origin of the nomad or the state of origin of her or his immediate family; the presence in the state concerned of members of a person’s immediate family lawfully staying in that state or possessing its nationality. 5. States Parties shall not arbitrarily or discriminatorily deny or deprive minorities of dual or multiple citizenship where this is permitted by the State. 6. States shall adopt a more objective, nuanced and context-specific bases, including but not limited to factors such as lawful and effective residence, historical ties, certain link to a territory and peaceful occupation, to determine citizenship. Citizenship shall not be regarded as an element of the definition of “minority” in a State. Part IV Article 20 1. In the regions or territories in which significant numbers of a minority reside or are in a majority, due attention given to the specific historical and cultural contexts, minorities shall be entitled in particular to the enjoyment of, and empowered through, appropriate forms of autonomy or self-governance, including in the framework of decentralization as provided for under a state’s constitutional and legal regime. 2. Forms of autonomy or self-governance that reflect the specific historical and cultural contexts of the minority group shall be developed and set up with the national or ethnic, religious or belief and linguistic minorities concerned through their own representative organisations. 3. Minorities have the right to autonomy or self-governance in matters relating to their internal and local affairs, as well as ways and means to guarantee financially support autonomous functions as provided for under a state’s constitutional and legal regime. 4. Where appropriate for their protection and rights, minorities have the right to non-territorial forms of autonomy or self-governance, which may include authority over matters such as education, culture, the use of minority language, religion or belief, and other matters of importance to the identity, survivability, dignity, humanity and way of life of minorities. 5. Forms of autonomy or self-governance as provided for minorities under this treaty are intended to strengthen national unity while accommodating the rich diversity of the populations making up the people in a State. Article 21