Cal. Health & Safety Code § 127454
(a) Each emergency physician shall make all reasonable efforts to obtain from the patient, or his or her representative, information about whether private or public health insurance or sponsorship may fully or partially cover the charges for emergency care rendered by the emergency physician to a patient, including, but not limited to, any of the following:
(b) If the emergency physician or his or her representative bills a patient who has not provided proof of coverage by a third party at the time the care is provided or upon discharge, as a part of that billing, the emergency physician shall provide the patient with a clear and conspicuous notice that includes all of the following:
(4) Information regarding the financially qualified patient and discounted payment application, including the following:
(c)