California Code, Penal Code - PEN § 7573

(a) The chief medical officer shall order an inmate or ward to receive an examination or test, or may order an inmate or ward to receive treatment if the medical officer has a reasonable suspicion that the inmate or ward has, has had, or has been exposed to tuberculosis in an infectious stage and the chief medical officer has reasonable grounds to believe that it is necessary for the preservation and protection of staff and inmates or wards.

(b) The chief medical officer shall ensure that examinations or tests for tuberculosis on all inmates or wards are conducted upon incarceration and at least annually thereafter.