; (ii) staff secure, secure care, or transitional foster care housing or long term foster care so operated; or (iii) any other location operated by the Office of Refugee Resettlement to hold immigrant children; and (B) includes an in-network facility and an out-of-network facility. (10) Office of the Ombudsperson The term Office of the Ombudsperson means the Office of the Ombudsperson for Immigrant Children in Government Custody established by section 3(a). (11) Ombudsperson The term Ombudsperson means the ombudsperson appointed under section 3(c). (12) Out-of-network facility The term out-of-network facility means a facility at which an immigrant child is placed as a result of an Office of Refugee Resettlement determination that there is no care provider available among in-network facilities to provide specialized services required by the immigrant child, such as medical or mental health support. (13) Unobstructed access The term unobstructed access means— (A) with respect to a facility, the ability to enter the facility, including unannounced, to tour and physically visit all areas of the facility; and (B) with respect to information, the ability to obtain requested information in a timely manner with the full cooperation of the Director, the Secretary of Homeland Security, or the Secretary of Health and Human Services, as applicable. (14) Working group The term Working Group means the interagency working group established under section 6(b). 3. Office of the Ombudsperson for Immigrant children in Immigration Custody (a) Establishment There is established, within the Department of Health and Human Services, an Office of the Ombudsperson for Immigrant Children in Immigration Custody— (1) to endorse and support the principle that family separation and detention are generally not in a child’s best interest; and (2) in cases in which detention or immigration custody is required— (A) to ensure that immigrant children are only detained or held in immigration custody in the least restrictive setting