(a) The department may, with reasonable cause to suspect that a person or business is acting in the capacity of a broker, investigate that person or business to ascertain whether a license is or is not required.

(b) The department shall have authority to investigate and take lawful action deemed advisable with regard to complaints against brokers or salesmen acting only in a capacity for which they must be licensed.

(c) Any person, including a partnership or corporation purchasing used yachts for resale or taking yachts in trade for resale, shall transfer actual title to any such yacht into his name, or have in his possession, subject to inspection by the department, a good and sufficient bill of sale or other fit evidence of title if such person or firm wishes to claim exemption from licensing requirements of the Yacht and Ship Brokers Act.