Indigenous and Tribal Peoples Convention (ILO Convention No. 169) §5 and Article 5 (a)
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Preamble §5
Recognising the aspirations of these peoples to exercise control over their own institutions, ways of life and economic development and to maintain and develop their identities, languages and religions, within the framework of the States in which they live
Article 5
In applying the provisions of this Convention:
(a) The social, cultural, religious and spiritual values and practices of these peoples shall be recognised and protected, and due account shall be taken of the nature of the problems which face them both as groups and as individuals;