K.B., In re (2023) A167385 A167385; filed 11/3/23. ![[Files/CaseFiles/A167385.PDF]] [Opinion PDF](https://www.courts.ca.gov/opinions/archive/A167385.PDF) ## Rule excerpts Welfare and Institutions Code section 309; forfeiture declined where parents had no notice of the due-diligence findings before entry. > That said, as discussed below, section 309 is not conditioned on parents’ cooperation and its impact is not limited to placement. It requires that the Department conduct an investigation into relatives with due diligence, and that the court find the Department has fulfilled its mandate. — K.B., In re (2023) A167385, slip op., p. 6.