Business and Professions Code § 5582.1

(a) The fact that the holder of a license has affixed their signature to plans, drawings, specifications, or other instruments of service which have not been prepared by them, or under their responsible control, constitutes a ground for disciplinary action.

(b) The fact that the holder of a license has permitted their name to be used for the purpose of assisting any person to evade the provisions of this chapter constitutes a ground for disciplinary action.