15. No person may carry out for a broker any transaction mentioned in section 1 or use the title of real estate agent unless he is the holder of a real estate agent’s certificate issued by the Association.
Notwithstanding the first paragraph, a person holding a broker’s permit issued by the Superintendent of Real Estate Brokerage who is employed by or authorized to act on behalf of a broker on 20 June 1991 may carry out, for a broker, a transaction mentioned in section 1 if he holds a real estate broker’s certificate issued by the Association. The provisions applicable to agents apply to such a person.