California Code, Health and Safety Code - HSC § 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, aged 65 years or older, based upon the adult immunization recommendations of the Advisory Committee on Immunization Practices of the federal Centers for Disease Control and Prevention, and the recommendations of appropriate entities for the prevention, detection, and control of influenza outbreaks in California general acute care hospitals.