A/RES/48/96 Page 21 causes, types and frequencies of disabilities, the availability and efficacy of existing programmes and the need for development and evaluation of services and support measures. 4. States should develop and adopt terminology and criteria for the conduct of national surveys, in cooperation with organizations of persons with disabilities. 5. States should facilitate the participation of persons with disabilities in data collection and research. To undertake such research States should particularly encourage the recruitment of qualified persons with disabilities. 6. States should support the exchange of research findings and experiences. 7. States should take measures to disseminate information and knowledge on disability to all political and administration levels within national, regional and local spheres. Rule 14. Policy-making and planning States will ensure that disability aspects are included in all relevant policy-making and national planning. 1. States should initiate and plan adequate policies for persons with disabilities at the national level, and stimulate and support action at regional and local levels. 2. States should involve organizations of persons with disabilities in all decision-making relating to plans and programmes concerning persons with disabilities or affecting their economic and social status. 3. The needs and concerns of persons with disabilities should be incorporated into general development plans and not be treated separately. 4. The ultimate responsibility of States for the situation of persons with disabilities does not relieve others of their responsibility. Anyone in charge of services, activities or the provision of information in society should be encouraged to accept responsibility for making such programmes available to persons with disabilities. 5. States should facilitate the development by local communities of programmes and measures for persons with disabilities. One way of doing this could be to develop manuals or check-lists and provide training programmes for local staff. Rule 15. Legislation States have a responsibility to create the legal bases for measures to achieve the objectives of full participation and equality for persons with disabilities. 1. National legislation, embodying the rights and obligations of citizens, should include the rights and obligations of persons with disabilities. States are under an obligation to enable persons with disabilities to exercise /...