No contract or agreement with an insurance consultant for any advice, counsel, recomendation [recommendation] or other information provided within the scope of his license shall be enforceable by him unless:
A. it is in writing and executed in duplicate by the person to be charged or his legal representative;
B. the duplicate is delivered to or retained by the person to be charged when it is signed by him;
C. it plainly specifies the amount of the fee paid or payable by the person to be charged and the services to be rendered by the insurance consultant; and
D. it is in a form currently approved by the superintendent.