All plans, specifications and estimates shall be prepared by a certified architect holding a valid license under Chapter 3 (commencing with Section 5500) of Division 3 of the Business and Professions Code or by a structural engineer holding a valid certificate to use the title structural engineer under Chapter 7 (commencing with Section 6700) of Division 3 of the Business and Professions Code, and the supervision of the work of construction in the factory shall be under the responsible charge of such an architect or structural engineer.

(Added by Stats. 1996, Ch. 277, Sec. 3. Effective January 1, 1997. Operative January 1, 1998.)