Analysis of information sources in references of the Wikipedia article "Palawa kani" in English language version.
1. Indigenous peoples have the right to maintain, control, protect and develop their cultural heritage, traditional knowledge and traditional cultural expressions ... including ... oral traditions [and] literatures... They also have the right to maintain, control, protect and develop their intellectual property over such cultural heritage, traditional knowledge, and traditional cultural expressions. 2. In conjunction with indigenous peoples, States shall take effective measures to recognize and protect the exercise of these rights.
Generally, there is no copyright in languages unless they are expressed in material form, being either written or recorded. Even then, the copyright protects the expression and not the underlying language. This can be an issue for Indigenous peoples and language centres as their language is oral, in that it is passed down through generations.