; (ii) has been homeless continuously for at least 1 year or has been homeless on at least 4 separate occasions in the last 3 years; and (iii) has an adult head of household (or a minor head of household if no adult is present in the household) with a diagnosable substance use disorder, a serious mental illness, a developmental disability (as defined in section 102 of the Developmental Disabilities Assistance and Bill of Rights Act of 2000 ( 42 U.S.C. 15002 )), post traumatic stress disorder, a cognitive impairment resulting from a brain injury, or a chronic physical illness or disability or the co-occurrence of 2 or more chronic physical illnesses or disabilities. (B) Rule of construction An individual shall be considered to be chronically homeless if such individual— (i) resides in an institutional care facility, including a jail, substance use disorder or mental health treatment facility, hospital, or other similar facility; (ii) has resided in a facility described in clause (i) for fewer than 90 days