The agency shall take action to obtain guardianship within 6 months from the date of a child's placement in preadoptive foster care. The agency child placement worker shall reevaluate a child in preadoptive foster care: When the birth parent decides to plan for the child's adoption; After 60 days from the date of initial preadoptive home placement; At least every 60 days thereafter for 6 months from the date of initial preadoptive home placement; Every 6 months after the first 6 months of preadoptive foster care with documentation as to why the child is not yet placed for adoption; and When any significant change occurs to affect planning for the child. A reevaluation of a child in preadoptive foster care shall include: A review of the case plan goals; An assessment of progress in achieving the goals; Future action to implement the appropriate case plans for the child; and An update of MARE or any other exchange registrations.