(a) Each owner and manager named in an application to register a dental laboratory, irrespective of the person signing the application, is responsible for the proper registration and operation of the laboratory pursuant to the Dental Practice Act and these rules.(b) For the purposes of this section, "owner" includes a person who has at least a 20 percent ownership interest in a dental laboratory that is registered under this chapter or for which an application for registration has been filed.(c) The provisions of Occupations Code, Chapter 266, providing that persons violating the Dental Practice Act are subject to criminal penalties and subject to loss of registration or refusal by the board to issue a registration, apply to the owner and manager of any dental laboratory having or seeking registration in Texas.