Bus. & Prof. Code, § 2762

In addition to other acts constituting unprofessional conduct within the meaning of this chapter, it is unprofessional conduct for a person licensed under this chapter to do any of the following:

(a) Obtain or possess in violation of law, or prescribe, or except as directed by a licensed physician and surgeon, dentist, or podiatrist administer to themselves, or furnish or administer to another, any controlled substance as defined in Division 10 (commencing with Section 11000) of the Health and Safety Code or any dangerous drug or dangerous device as defined in Section 4022.

(b) Use any controlled substance as defined in Division 10 (commencing with Section 11000) of the Health and Safety Code, or any dangerous drug or dangerous device as defined in Section 4022, or alcoholic beverages, to an extent or in a manner dangerous or injurious to themselves, any other person, or the public or to the extent that such use impairs their ability to conduct with safety to the public the practice authorized by their license.

(c) Be convicted of a criminal offense involving the prescription, consumption, or self-administration of any of the substances described in subdivisions (a) and (b) of this section, or the possession of, or falsification of a record pertaining to, the substances described in subdivision (a) of this section, in which event the record of the conviction is conclusive evidence thereof.

(d) Be committed or confined by a court of competent jurisdiction for intemperate use of or addiction to the use of any of the substances described in subdivisions (a) and (b) of this section, in which event the court order of commitment or confinement is prima facie evidence of such commitment or confinement.

(e) Falsify, or make grossly incorrect, grossly inconsistent, or unintelligible entries in any hospital, patient, or other record pertaining to the substances described in subdivision (a) of this section.