Cal. Business and Professions Code § 4050

(a) For the purposes of this section, “state agency” includes every state office, officer, department, division, bureau, board, authority, and commission. (b) In recognition of and consistent with the decisions of the appellate courts of this state, the Legislature hereby declares the practice of pharmacy to be a profession. (c) Pharmacist practice is a dynamic, patient-oriented health service that applies a scientific body of knowledge to improve and promote patient health by means of patient-care activities to optimize appropriate drug use, drug-related therapy, disease management and prevention, and communication for clinical and consultative purposes. Pharmacist practice is continually evolving to include more sophisticated and comprehensive patient care activities. (d) The Legislature further declares that pharmacists are health care providers who have the authority to provide health care services. (e) No state agency other than the board may define or interpret this chapter and its regulations for those licensed pursuant to this chapter or develop standardized procedures or protocols pursuant to this chapter, unless so authorized by this chapter, or specifically required under state or federal law.