A licensed real estate salesperson or licensed associate real estate broker may act as a licensed assistant to a real estate licensee other than the broker who employs the salesperson or associate broker if
(1) the employment arrangement between the licensed assistant and the other licensee is in writing and conforms to the applicable state and federal regulations regarding employment;
(2) the employment of the licensed assistant is approved in writing by the broker of the licensee who employs the assistant;
(3) the licensee who employs the assistant agrees to be responsible for paying the licensed assistant's wages and appropriate taxes and completing the appropriate state and federal tax forms;
(4) the broker of the licensee who employs the assistant agrees to be liable for the actions of the licensed assistant.