INAS (International Sports Federation for Persons with Intellectual Disability; originally called INAS-FMH, later INAS-FID, INAS and now as Virtus Sport) was established in 1986 by professionals in the Netherlands who were involved in sport and wanted to promote the participation of athletes with mental handicap in elite sports. The organisations brand name is the International Federation for Intellectual Impairment Sport, promoting sport worldwide for athletes with intellectual disability, autism and Down syndrome.