Cal. Business and Professions Code § 661

(a) A physician and surgeon shall provide to each patient at the initial office visit a written or electronic notice of the Open Payments database. The written notice shall include a signature from the patient or a patient representative and the date of signature. (b) The written or electronic notice shall contain the following text: “The Open Payments database is a federal tool used to search payments made by drug and device companies to physicians and teaching hospitals. It can be found at https://openpaymentsdata.cms.gov.” (c) A physician and surgeon shall include in the electronic records for the patient a record of the notice pursuant to this section. (d) If a physician and surgeon does not maintain electronic records, the physician and surgeon shall include the notice pursuant to this section in the written records. (e) A physician and surgeon shall give to the patient or patient representative a copy of the signed and dated notice.