California Code, Health and Safety Code - HSC § 123150

(a) The county health officer has determined that the X-ray photographs or a series of X-ray photographs in conjunction with case records do not show the existence of tuberculosis in the infectious stage.

(b) The individual of whom the X-ray photographs were taken has been deceased not less than two years or the 102nd anniversary of the individual's birthdate has occurred and the county health officer cannot reasonably ascertain whether the individual is still living.

(c) The place of residence of the individual of whom the X-ray photographs were taken has been unknown to the county health officer for 10 years.