Cal. Bus. & Prof. Code § 2287

The purchase, sale, or barter, or offering to purchase, sell, or barter any medical or podiatric degree, or any degree, diploma, certificate, affidavit, transcript, or other evidence made or purporting to be made, pursuant to any laws regulating the licensure of persons under this chapter, or any preceding medical practice act or for use in connection with the granting of any certificates or diplomas or the purchase, procurement, or altering in any material regard, with fraudulent intent, a diploma, certificate, affidavit, transcript, or other evidence required for issuing any certificate or diploma that has been purchased, fraudulently issued, counterfeited, or materially altered constitutes unprofessional conduct. The attempt to or conspiring to violate this section also constitutes unprofessional conduct.