Producers of X-ray films or photographs for the purpose of diagnosing medical or dental conditions of human beings, excluding use of those products for purely cosmetic purposes, are the consumers of materials and supplies used in the production thereof.

(Amended by Stats. 1982, Ch. 301, Sec. 1. Effective June 22, 1982. Operative October 1, 1982, by Sec. 3 of Ch. 301.)