5. Encourages States to undertake promptly a review of all legislation and other measures so as to identify and modify or abolish existing laws, regulations, customs and practices that constitute discrimination against persons with disabilities; 6. Calls upon States to take all appropriate measures to prohibit by law and eliminate any form of discrimination on the basis of disability and to ensure equal and effective legal protection to persons with disabilities from discrimination on all grounds; 7. Encourages States to exchange information and experiences on legislative measures and models that guarantee the human rights of persons with disabilities, on an equal basis with others, including on measures for accessibility, reasonable accommodation, equal recognition before the law, access to justice and supported decision-making; 8. Calls upon States to take specific measures to give practical effect to the principle of non-discrimination on the basis of disability and to the provision of reasonable accommodation, including in the administrative, justice and education sectors and, where appropriate, special measures to enhance the effective implementation of the Convention and the Optional Protocol thereto; 9. Encourages States to adopt or strengthen policies and programmes to promote awareness of and increase expertise in the rights of persons with disabilities in all branches of government, including through training programmes for public officials and agents, taking into account multiple or aggravated forms of discrimination experienced by persons with disabilities; 10. Calls upon States to take measures to guarantee the enjoyment of political rights of persons with disabilities and to promote actively an environment in which persons with disabilities can effectively and fully participate in the conduct of public affairs, on an equal basis with others, and to promote their participation in the formulation of policies and programmes; 11. Also calls upon States to monitor the effectiveness of steps taken to eliminate discrimination on the basis of disability by any person, organization or enterprise in, inter alia, the housing, transport, health, labour and education sectors and, in so doing, to develop methodologies for ensuring compliance with the principles of non-discrimination and accessibility, taking duly into account the need to consult closely with and actively involve persons with disabilities and their representatives in such processes; 12. Further calls upon States to ensure that persons with disabilities have effective access to justice and to effective remedies and redress, on an equal basis with others, including administrative and judicial remedies for persons with disabilities whose enjoyment of human rights is denied; 13. Encourages States, in consultation with relevant stakeholders, to collect and compile disaggregated data to measure national progress and to identify barriers that prevent or undermine the full enjoyment by persons with disabilities of their human rights, and to formulate appropriate steps to remove such barriers; 14. Acknowledges the important role that national monitoring mechanisms, including independent mechanisms such as national human rights institutions, play in protecting and promoting the rights of persons with disabilities; 2