or damaged without their free, prior and informed consent. 2. Unless otherwise freely agreed upon by the peoples concerned, compensation shall take the form of lands, territories and resources equal in quality, size and legal status or of monetary compensation or other appropriate redress.’ Article 32: ‘1. Indigenous peoples have the right to determine and develop priorities and strategies for the development or use of their lands or territories and other resources. 2. States shall consult and cooperate in good faith with the indigenous peoples concerned through their own representative institutions in order to obtain their free and informed consent prior to the approval of any project affecting their lands or territories and other resources, particularly in connection with the development, utilization or exploitation of mineral, water or other resources. 3. States shall provide effective mechanisms for just and fair redress for any such activities, and appropriate measures shall be taken to mitigate adverse environmental, economic, social, cultural or spiritual impact.’ (k) International Labour O rganisation Convention No. 161 Concerning O ccupational Health Services (1985) Article 5(b): ‘Without prejudice to the responsibility of each employer for the health and safety of the workers in his employment, and with due regard to the necessity for the workers to participate in matters of occupational health and safety, occupational health services shall have such of the following functions as are adequate and appropriate to the occupational risks of the undertaking: (…) (b) surveillance of the factors in the working environment and working practices which may affect workers' health, including sanitary installations, canteens and housing where these facilities are provided by the employer.’ (l) International Labour O rganisation Convention No. 117 Concerning Basic Aim s and Standards of Social Policy (1962) Article 2: ‘The improvement of standards of living shall be regarded as the principal objective in the planning of economic development.’ Article 5(2): ‘In ascertaining the minimum standards of living, account shall be taken of such essential family needs of the workers as food and its nutritive value, housing, clothing, medical care and education.’ 1.2 Secondary Instruments The above, largely treaty-based provisions act as important constitutive principles of international human rights law in the context of housing. However, of themselves these principles lack the requisite detail to establish a framework of discernible standards. Secondary instruments, often records of deliberations or pronouncements 5