Answer:
D. All of the above
Step-by-step explanation:
The options that are communicated and sent to more than 25 prospective customers must be in writing before to the use of Principal prior. It involves advertising, sales literature, and independent prepared reprints
The sales literature and the appearance with respect to the public are the 2 communciation channels for the public which do not required the permission of ROP as it followed firm policies and procedures
Hence, the correct option is d.