Validity is an international non-governmental organisation that uses the law to secure equality, inclusion and justice for persons with intellectual disabilities and persons with psychosocial disabilities worldwide. Formerly known as the Mental Disability Advocacy Centre (MDAC). Registered as a Foundation in Hungary (No. 8689: Validity Alapítvány – Központ a Mentális Sérültek Jogaiért), as a Foundation in the Netherlands (No. 97425133: Stichting Validity NL), and as a charity in the UK (No. 1124016: Mental Disability Advocacy Centre UK). Validity proudly receives income from a number of international sources.
