(a) Notwithstanding Section 650 or any other provision of law, it shall not be unlawful for a person licensed pursuant to Chapter 4 (commencing with Section 1600) of Division 2 or any other person, to participate in or operate a group advertising and referral service for dentists if all of the following conditions are met:

1. (1) The patient referrals by the service result from patient-initiated responses to service advertising.
2. (2) The service advertises, if at all, in conformity with Section 651 and subdivisions (i) and (l) of Section 1680.
3. (3) The service does not employ a solicitor within the meaning of subdivision (j) of Section 1680.
4. (4) The service does not impose a fee on the member dentists dependent upon the number of referrals or amount of professional fees paid by the patient to the dentist.
5. (5) Participating dentists charge no more than their usual and customary fees to any patient referred.
6. (6) The service registers with the Dental Board of California, providing its name and address.
7. (7) The service files with the Dental Board of California a copy of the standard form contract that regulates its relationship with member dentists, which contract shall be confidential and not open to public inspection.
8. (8) If more than 50 percent of its referrals are made to one individual, association, partnership, corporation, or group of three or more dentists, the service discloses that fact in all public communications, including, but not limited to, communication by means of television, radio, motion picture, newspaper, book, or list or directory of healing arts practitioners.
9. (9) When member dentists pay any fee to the service, any advertisement by the service shall clearly and conspicuously disclose that fact by including a statement as follows: “Paid for by participating dentists.” In print advertisements, the required statement shall be in at least 9-point type. In radio advertisements, the required statement shall be articulated so as to be clearly audible and understandable by the radio audience. In television advertisements, the required statement shall be either clearly audible and understandable to the television audience, or displayed in a written form that remains clearly visible for at least five seconds to the television audience. This subdivision shall be operative on and after July 1, 1994.