Cal. Welf. & Inst. Code § 16010.7
(d) For purposes of this subdivision, the following definitions shall apply:
(e) If, after implementing the placement preservation strategy developed pursuant to subdivision (b), the social worker or probation officer receives a placement change request from the caregiver or provider, or otherwise finds that a foster care placement change is necessary, the social worker, probation officer, or placement agency shall serve written notice on all of the following parties at least 14 calendar days prior to the change:
(g) An unplanned foster care placement change shall not take place between 9 p.m. and 7 a.m., except by the mutual agreement of all of the following persons:
(i) Notwithstanding subdivisions (b) and (e), a social worker or probation officer may change a child’s foster care placement without fulfilling the requirements of subdivisions (b) and (e) in either of the following circumstances: