(a) The bureau and licensing authorities may issue licenses under this division to persons or entities that hold licenses under Chapter 3.5 (commencing with Section 19300) of Division 8.
(b) Notwithstanding subdivision (a), a person or entity that holds a state testing license under this division or Chapter 3.5 (commencing with Section 19300) of Division 8 is prohibited from licensure for any other activity, except testing, as authorized under this division.
(c) Except as provided in subdivision (b), a person or entity may apply for and be issued more than one license under this division.