1 gen 2003 anni - "Another change in federal policy occurred in 2003, bringing a focus on “ending chronic homelessness” through low-threshold and permanent supportive housing programs (HUD, 2007a). At that time, through a collaborative process overseen by the USICH, the federal government formally defined chronic homelessness as 'an unaccompanied homeless individual with a disabling condition who has either been continuously homeless for a year" (The History of Homelessness in the United States).