11 Pa. Stat. § 2623
The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Child." An individual under 18 years of age who is residing with a resource family.
"County agency." The county children and youth social service agency established pursuant to section 405 of the act of June 24, 1937 (P.L. 2017, No. 396), known as the County Institution District Law, or its successor, and supervised by the Department of Public Welfare under Article IX of the act of June 13, 1967 (P.L. 31, No. 21), known as the Public Welfare Code.
"Interview." An interactive process by which a county or private agency becomes familiar with prospective adoptive parents.
"Private agency." A children and youth social service agency subject to the requirements of 55 Pa. Code Ch. 3680 (relating to administration and operation of a children and youth social service agency).
"Resource family." A family which provides temporary foster or kinship care for children who need out-of-home placement and which may eventually provide permanency for those children, including as an adoptive family.
"Resource family parent or parents." An individual or individuals approved by a county or private agency who is responsible for providing foster care to a child placed with a resource family.
11 P.S. § 2623