Article 4, General obligations sub a, b and c CRPD
1. States Parties undertake to ensure and promote the full realization of all human rights and fundamental freedoms for all persons with disabilities without discrimination of any kind on the basis of disability. To this end, States Parties undertake: a. To adopt all appropriate legislative, administrative and other measures for the implementation of the rights recognized in the present Convention; b. To take all appropriate measures, including legislation, to modify or abolish existing laws, regulations, customs and practices that constitute discrimination against persons with disabilities; c. To take into account the protection and promotion of the human rights of persons with disabilities in all policies and programmes; .....