28 C.F.R. § 81.5
Local child protective services agency means that agency of the federal government, of a state, of a tribe or of a local government that has the primary responsibility for child protection within a particular portion of the federal lands, a particular federally operated facility, or a particular federally contracted facility in which children are cared for or reside.
Local law enforcement agency means that federal, state, tribal or local law enforcement agency that has the primary responsibility for the investigation of an instance of alleged child abuse occurring within a particular portion of the federal lands, a particular federally operated facility, or a particular federally contracted facility in which children are cared for or reside.
28 C.F.R. §81.5