(a) Notwithstanding Section 215 or 272, or any other provision of law, a child or nonminor whose jurisdiction is modified pursuant to subdivision (b) of Section 607.2 or subdivision (i) of Section 727.2 and who is placed in foster care may be supervised by the probation department of the county in which the court with jurisdiction over the dependent is located, if the county protocol in that county requires it. In those counties, all case management, case plan review, and reporting functions as described in Sections 671 and 675 of Title 42 of the United States Code and contained in this article shall be performed by the probation officer for these dependents.
(b) This section shall become operative on January 1, 2012.