California Code, Health and Safety Code - HSC § 1255.2

A health facility implementing a downgrade or change shall make reasonable efforts to ensure that the community served by its facility is informed of the downgrade or closure. Reasonable efforts may include, but not be limited to, advertising the change in terms likely to be understood by a layperson, soliciting media coverage regarding the change, informing patients of the facility of the impending change, and notifying contracting health care service plans as required in Section 1255.1.