Cal. Health & Safety Code § 120392.9

Pursuant to its standardized procedures and if it has the vaccine in its possession, each year, commencing October 1 to the following April 1, inclusive, a general acute care hospital, as defined in subdivision (a) of Section 1250, shall offer, prior to discharge, immunizations for influenza and pneumococcal disease to inpatients, 65 years of age or older, consistent with recommendations adopted pursuant to Section 120164 or the recommendations of appropriate entities for the prevention, detection, and control of influenza outbreaks in California general acute care hospitals.