2. A chartered real estate broker’s certificate, provided for in paragraph 1 of section 1, may be issued to a natural person, a partnership or a legal person and allows its holder to use the title of chartered real estate broker and to carry on the real estate brokerage activity referred to in section 1 of the Real Estate Brokerage Act (chapter C-73.1). A holder of that certificate may employ or authorize to act on his behalf only a natural person holding an affiliated real estate broker’s certificate or a chartered or affiliated real estate agent’s certificate.